1. What are two main components of data confidentiality? (Choose two.)checksumdigital certificatesencapsulationencryptionhashing

2. Which network component has the primary function of detecting and logging attacks made against the network?Cisco Security Agentantivirus software scannerintrusion detection systemintrusion prevention system

3.Refer to the exhibit. A network administrator has issued the commands that are shown on Router1 and Router2. A later review of the routing tables reveals that neither router is learning the LAN network of the neighbor router. What is most likely the problem with the RIPng configuration?The serial interfaces are in different subnets.The RIPng process is not enabled on interfaces.The RIPng network command is not configured.The RIPng processes do not match between Router1 and Router2

4. Which three guidelines would help contribute to creating a strong password policy? (Choose three.)Once a good password is created, do not change it.Deliberately misspell words when creating passwords.Create passwords that are at least 8 characters in length.Use combinations of upper case, lower case, and special characters.Write passwords in locations that can be easily retrieved to avoid being locked out.Use long words found in the dictionary to make passwords that are easy to remember

5.Refer to the exhibit. Headquarters is connected through the Internet to branch office A and branch office B. Which WAN technology would be best suited to provide secure connectivity between headquarters and both branch offices?ATMVPNISDNFrame Relaybroadband DSL

6. Which combination of authentication and Layer 2 protocol should be used to establish a link between a Cisco and a non-Cisco router without sending authentication information in plain text?CHAP and HDLCCHAP and PPPPAP and HDLCPAP and PPP

7. A technician is talking to a colleague at a rival company and comparing DSL transfer rates between the two companies. Both companies are in the same city, use the same service provider, and have the same rate/service plan. What is the explanation for why company 1 reports higher download speeds than company 2 reports?Company 2 downloads larger files than company 1 downloads.Company 2 must share the connection to the DSLAM with more clients than company 1 shares.Company 1 is closer to the service provider than is company 2.Company 1 has a lower volume of POTS traffic than company 2 has.

8. An administrator is configuring a dual stack router with IPv6 and IPv4 using RIPng. The administrator receives an error message when trying to enter the IPv4 routes into RIPng. What is the cause of the problem?When IPv4 and IPv6 are configured on the same interface, all IPv4 addresses are over-written in favor of the newer technology.Incorrect IPv4 addresses are entered on the router interfaces.RIPng is incompatible with dual-stack technology.IPv4 is incompatible with RIPng.

9. What component of VPN technology combines message text with a key to make the message unreadable by unauthorized receivers?message hashuser passwordRSA signatureencryption algorithm

10. Which variable is permitted or denied by a standard access control list?protocol typesource IP addresssource MAC addressdestination IP addressdestination MAC address

11. What name is given to the location where a customer network interfaces with a network that is owned by another organization?CPEDCElocal loopdemarcation point

12. What will be the result of adding the command ip dhcp excluded-address 10.10.4.1 10.10.4.5 to the configuration of a local router that has been configured as a DHCP server?Traffic that is destined for 10.10.4.1 and 10.10.4.5 will be dropped by the router.Traffic will not be routed from clients with addresses between 10.10.4.1 and 10.10.4.5.The DHCP server will not issue the addresses ranging from 10.10.4.1 to 10.10.4.5.The router will ignore all traffic that comes from the DHCP servers with addresses 10.10.4.1 and 10.10.4.5

13. What functionality do access control lists provide when implementing dynamic NAT on a Cisco router?which addresses are allowed to be accessed from the inside networkwhich addresses are allowed out of the routerwhich addresses are assigned to a NAT poolwhich addresses are to be translated

14. Which statement about a VPN is true?VPN link establishment and maintenance is provided by LCP.DLCI addresses are used to identify each end of the VPN tunnel.VPNs use virtual Layer 3 connections that are routed through the Internet.Only IP packets can be encapsulated by a VPN for tunneling through the Internet15. An administrator is unable to receive e-mail. While troubleshooting the problem, the administrator is able to ping the local mail server IP address successfully from a remote network and can also successfully ping using the mail server name. At which layer of the OSI model is the problem most likely to be found?physical layernetwork layerdata link layerapplication layer

16. Which data link layer encapsulation protocol is used by default for serial connections between two Cisco routers?ATMFrame RelayHDLCPPPSDLC

17. A network administrator has changed the VLAN configurations on his network switches over the past weekend. How can the administrator determine if the additions and changes improved performance and availability on the company intranet?Conduct a performance test and compare with the baseline that was established previously.Interview departmental secretaries and determine if they think load time for web pages has improved.Determine performance on the intranet by monitoring load times of company web pages from remote sites.Compare the hit counts on the company web server for the current week to the values that were recorded in previous weeks.

18. Which statement accurately describes a role that is played in establishing a WAN connection?ISDN and ATM are circuit-switched technologies that are used to establish on demand a path through the service provider network.Data link layer protocols like PPP and HDLC define how data is encapsulated for transmission across a WAN link.A packet-switching network establishes a dedicated circuit between nodes for the duration of the communication session.Frame Relay switches are normally considered to be customer premises equipment (CPE) and are maintained by local administrators.

19. What is an accurate description of CHAP when used with PPP on a serial connection between two routers?A username and password are sent to the peer router, which replies with an accept or reject message.A username and password are sent to the peer router. If these match the configuration in the peer, the peer in turn provides a username and password to the initiating router.A challenge message is sent to the peer router, which responds with its username and a calculated value based on a shared secret. This value is then compared by the challenger to its own calculations.An encrypted password is sent to the peer router, which decrypts it and compares it to a shared secret. If the decrypted passwords match, the peer sends the encrypted password back to the initiating router.

20. Which technology is used to dynamically map next hop, network layer addresses to virtual circuits in a Frame Relay network?Inverse ARPLMIDLCI

21. A DHCP server is configured with a block of excluded addresses. What two devices would be assigned static addresses from the excluded address range? (Choose two.)a protocol analyzerDNS server for the networknetwork printer that is used by many different usersa laptop that will get a different address each time it boots up

22. Compared with IDS systems, what can IPS systems do to provide further protection of computer systems?detect potential attacksstop the detected attack from executingupdate OS patches for computer systemsscan computer systems for viruses and spyware

23. A company has its headquarters office in Dallas and five branch offices located in New York, Chicago, Los Angeles, Seattle, and Atlanta. WAN links are used for communications among offices in six sites. In planning the WAN links, the network designer is given two requirements: (1) minimize cost and (2) provide a certain level of WAN link reliability with redundant links. Which topology should the network designer recommend?starfull meshhierarchicalpartial mesh

24. An administrator issues the command show interfaces s0/1/0 on a router that is configured for Frame Relay. Which console output may indicate an LMI mismatch?Serial0/1/0 is administratively downSerial0/1/0 is up, line protocol is upSerial0/1/0 is up, line protocol is downSerial0/1/0 is down, line protocol is down

25. Which IP address and wildcard mask combination can be used in an ACL statement to match the 172.16.0.0/30 network?172.16.0.0 0.0.0.1172.16.0.0 0.0.0.3172.16.0.0 0.0.0.7172.16.0.0 255.255.255.252

26. A company is looking for a WAN solution to connect its headquarters site to four remote sites. What are two advantages that dedicated leased lines provide compared to a shared Frame Relay solution? (Choose two.)reduced jitterreduced costsreduced latencythe ability to burst above guaranteed bandwidththe ability to borrow unused bandwidth from the leased lines of other customers

27. What function does LCP perform in the establishment of a PPP session?LCP brings the network layer protocols up and down.It carries packets from several network layer protocols.It encapsulates and negotiates options for IP and IPX.It negotiates and sets up control options on the WAN data link.

28. An employee of XYZ corporation will begin working from home. The employee has a choice of DSL or cable technology for WAN connectivity. Which connectivity characteristic is accurately described?Cable transfer rates are dependent on the length of the local loop.DSL provides a high-speed connection over existing copper phone wires.DSL download speeds are affected by high usage in the area.DSL service shares the same frequency range as voice calls.Cable connectivity usually requires new fiber installed for the local loop.

29. Which option represents a best practice for applying ACLs?Named ACLs are less efficient than numbered ACLs.Standard ACLs should be applied inside the core layer.ACLs applied to outbound interfaces use fewer router resources.Extended ACLs should be applied closest to the source that is specified by the ACL.

30. While troubleshooting a problem with an e-mail server, an administrator observes that the switch port used by the server shows up, line protocol up. The administrator cannot ping the server. At which layer of the OSI model is the problem most likely to be found?application layernetwork layerdata link layerphysical layer

31. Which two configurations must be completed before an RSA key can be generated on a router? (Choose two.)a hostnamea domain namethe SSH versionthe SSH timeoutslocal authentication on the VTY lines

32. What type of ACL can be used to force a user to authenticate to the router before accessing a network?standarddynamicreflexivetime-based

33. What is the result when the command security passwords min-length 8 is entered into a router?All new passwords are required to be a minimum of 8 characters in length.All current passwords are now required to be a minimum of 8 characters in length.Enable passwords must be at least 8 characters but line passwords are unaffected.Nothing will happen until the command service password-encryption is entered. Then all future passwords must have a minimum of 8 characters.

34. Because of a remote-procedure call failure, a user is unable to access an NFS server. At what layer of the TCP/IP model does this problem occur?network layerdata link layerphysical layerapplication layer

35. What is the result when the command permit tcp 10.25.132.0 0.0.0.255 any eq smtp is added to a named access control list and applied on the inbound interface of a router?TCP traffic with a destination to the 10.25.132.0/24 is permitted.Only Telnet traffic is permitted to the 10.24.132.0/24 networkTtraffic from 10.25.132.0/24 is permitted to anywhere on using any port.Traffic using port 25 from the 10.25.132.0/24 is permitted to all destinations.36.Refer to the exhibit. R1 is performing NAT overload for the 10.1.1.0/24 inside network. Host A has sent a packet to the web server. What is the destination IP address of the return packet from the web server?10.1.1.2:1234172.30.20.1:1234172.30.20.1:3333192.168.1.2:80

37.Refer to the exhibit. Communication between two peers has failed. Based on the output that is shown, what is the most likely cause?interface resetunplugged cableimproper LMI typePPP negotiation failure

38.Refer to the exhibit. Partial results of the show access-lists and show ip interface FastEthernet 0/1 commands for router Router1 are shown. There are no other ACLs in effect. Host A is unable to telnet to host B. Which action will correct the problem but still restrict other traffic between the two networks?Apply the ACL in the inbound direction.Apply the ACL on the FastEthernet 0/0 interface.Reverse the order of the TCP protocol statements in the ACL.Modify the second entry in the list to permit tcp host 172.16.10.10 any eq telnet .

39.Refer to the exhibit. The link between the CTRL and BR_1 routers is configured as shown in the exhibit. Why are the routers unable to establish a PPP session?The clock rate must be 56000.The usernames are misconfigured.The IP addresses are on different subnets.The clock rate is configured on the wrong end of the link.The CHAP passwords must be different on the two routers.Interface serial 0/0/0 on CTRL must connect to interface serial 0/0/1 on BR_1.

40.Refer to the exhibit. A network administrator is trying to backup the IOS software on R1 to the TFTP server. He receives the error message that is shown in the exhibit, and cannot ping the TFTP server from R1. What is an action that can help to isolate this problem?Use correct source file name in the command.Verify that the TFTP server software is running.Make sure that there is enough room on the TFTP server for the backup.Check that R1 has a route to the network where the TFTP server resides.

41.Refer to the exhibit. RIPv2 has been configured on all routers in the network. Routers R1 and R3 have not received any RIP routing updates. What will fix the issue?Enable RIP authentication on R2.Issue the ip directed-broadcast command on R2.Change the subnet masks to 10.11.12.0/8 and 172.16.40.0/16 on R2.Enable CDP on R2 so that the other routers will receive routing updates.

42.Refer to the exhibit. What is placed in the address field in the header of a frame that will travel from the Orlando router to the DC router?DLCI 123DLCI 32110.10.10.2510.10.10.26MAC address of the DC router

44.Refer to the exhibit. A network administrator is trying to connect R1 remotely to make configuration changes. Based on the exhibited command output, what will be the result when attempting to connect to R1?failure to connect due to Telnet not being enabledfailure to connect due to incomplete configuration for Telneta successful connection and ability to make configuration changesa successful connection but inability to make configuration changes because of the absence of an enable secret password

45.Refer to the exhibit. The corporate network that is shown has been assigned network 172.16.128.0/19 for use at branch office LANs. If VLSM is used, what mask should be used for addressing hosts at Branch4 with minimal waste from unused addresses?/19/20/21/22/23/2446.Refer to the exhibit. Every time the administrator reboots this router, the boot process ends in setup mode. What is a possible problem?There is insufficient RAM for the IOS to load on this router.A password recovery process should be done on this router.The bootstrap version and the version of the IOS are different.The IOS image is damaged and must be reloaded using tftpdnld.The configuration register is set to ignore the startup configuration

47.Refer to the exhibit. Users who are connected to R1 report that they are unable to establish connectivity to the users who are connected to router R2. A network administrator tests the link with the debug ppp authentication command. Based on the output shown, which statement correctly defines the problem on the link?R1 uses PAP as a method of authentication, and R2 uses CHAP.R1 uses CHAP as a method of authentication, and R2 uses PAP.R1 uses an incorrect user name or password for CHAP authentication.R2 uses an incorrect user name or password for PAP authentication.

48.Refer to the exhibit. The network administrator creates a standard access control list to prohibit traffic from the 192.168.1.0/24 network from reaching the Internet. The access list must still permit the 192.168.1.0/24 network access to the 192.168.2.0 network. On which router interface and in which direction should the access control list be applied?interface Fa0/0, inboundinterface Fa0/0, outboundinterface S0/0/0, inboundinterface S0/0/0, outbound

49. Refer to the exhibit. A host connected to Fa0/0 is unable to acquire an IP address from the DHCP server. The output of the debug ip dhcp server command shows DHCPD: there is no address pool for 192.168.3.17. What is the problem?The address 192.168.3.17 address is already in use by Fa0/0.The pool of addresses for the 192Network pool is configured incorrectly.The ip helper-address command should be used on the Fa0/0 interface.The 192.168.3.17 address has not been excluded from the 192Network pool.50. Refer to the exhibit. Which VLAN will carry untagged traffic on FastEthernet 0/1?VLAN 1VLAN 2VLAN 11VLAN 12VLAN 30VLAN 999

51. Refer to the exhibit. A network administrator is tasked with completing the Frame Relay topology that interconnects two remote sites. How should the point-to-point subinterfaces be configured on HQ to complete the topology?frame-relay interface-dlci 103 on Serial 0/0/0.1frame-relay interface-dlci 203 on Serial 0/0/0.2frame-relay interface-dlci 301 on Serial 0/0/0.1frame-relay interface-dlci 302 on Serial 0/0/0.2frame-relay map ip 192.168.1.1 103 broadcast on Serial 0/0/0.1frame-relay map ip 192.168.2.2 203 broadcast on Serial 0/0/0.2frame-relay map ip 192.168.1.1 301 broadcast on Serial 0/0/0.1frame-relay map ip 192.168.2.2 302 broadcast on Serial 0/0/0.2

52. Refer to the exhibit. Company ABC expanded its business and recently opened a new branch office in another country. IPv6 addresses have been used for the company network. The data servers Server1 and Server2 run applications which require end-to-end functionality, with unmodified packets that are forwarded from the source to the destination. The edge routers R1 and R2 support dual stack configuration. What solution should be deployed at the edge of the company network in order to successfully interconnect both offices?a new WAN service supporting only IPv6NAT overload to map inside IPv6 addresses to outside IPv4 addressa manually configured IPv6 tunnel between the edge routers R1 and R2static NAT to map inside IPv6 addresses of the servers to an outside IPv4 ddress and dynamic NAT for the rest of the inside IPv6 addresses53. Which three statements accurately describe a security policy? (Choose three.)It creates a basis for legal action if necessary.It defines a process for managing security violations.It defines acceptable and unacceptable use of network resources.The remote access policy is a component of the security policy that governs acceptable use of e-mail systems.It is kept private from users to prevent the possibility of circumventing security measures.It provides step-by-step procedures to harden routers and other network devices.54. A company is deciding which WAN connection type it should implement between its main office and branch offices. The company wants to use a cost-effective service that provides virtual circuits between each office. The company also wants to be able to transmit variable-length packets on these circuits. Which solution best meets these requirements?ATMHDLCISDNFrame Relay55. Refer to the exhibit. This router is being configured to use SDM, but the SDM interface of the router cannot be accessed. What is the cause of the problem?The VTY lines are not configured correctly.The HTTP timeout policy is not configured correctly.The authentication method is not configured correctly.The username and password are not configured correctly.

56. Which two devices can be used by teleworkers who need to connect to the company network across the PSTN for a few hours a day? (Choose two.)routerCSU/DSUDSL modemcable modemaccess serverdialup modem

57. What is the function of an intrusion detection system on a network?to restrict access to only authorized usersto detect attacks against a network and send logs to a management consoleto prevents attack against the network and provide active defense mechanismsto detect and prevent most viruses and many Trojan horse applications from spreading in the network58. Refer to the exhibit. All devices are configured as shown in the exhibit. PC1 is unable to ping the default gateway. What is the cause of the problem?The default gateway is in the wrong subnet.STP has blocked the port that PC1 is connected to.Port Fa0/2 on S2 is assigned to the wrong VLAN.S2 has the wrong IP address assigned to the VLAN30 interface.

59. When Frame Relay encapsulation is used, what feature provides flow control and exchanges information about the status of virtual circuits?LCPLMIDLCIInverse ARP

60. A system administrator must provide Internet connectivity for ten hosts in a small remote office. The ISP has assigned two public IP addresses to this remote office. How can the system administrator configure the router to provide Internet access to all ten users at the same time?Configure DHCP and static NAT.Configure dynamic NAT for ten users.Configure static NAT for all ten users.Configure dynamic NAT with overload.61. Refer to the exhibit. From the output of the show interfaces and ping commands, at which layer of the OSI model is a fault indicated?applicationtransportnetworkdata linkphysical

62. What three questions can be answered using data gathered from a baseline on a new network? (Choose three.)Are areas of the network experiencing high error rates?Will the disaster recovery procedures work correctly?What parts of the network have the highest volume?Does the organization require more network technicians?How does the network perform during peak periods?Are there any devices working at top capacity?What networks are the most susceptible to security attacks?

63. Which type of ACL will permit traffic inbound into a private network only if an outbound session has already been established between the source and destination?extendedreflexivestandardtime-based

68. A recently patched application server is experiencing response time problems. The network on which the application server is located has been experiencing occasional outages that the network team believes may be related to recent routing changes. Network and application teams have been notified to work on their respective issues. Which statement applies to this situation?Only results from the software package should be tested as the network is designed to accommodate the proposed software platform.Scheduling will be easy if the network and software teams work independently.It will be difficult to isolate the problem if two teams are implementing changes independently.Results from changes will be easier to reconcile and document if each team works in isolation.69.Refer to the exhibit. Branch A has a non-Cisco router that is using IETF encapsulation and Branch B has a Cisco router. After the commands that are shown are entered, R1 and R2 fail to establish the PVC. The R2 LMI is Cisco, and the R1 LMI is ANSI. The LMI is successfully established at both locations. Why is the PVC failing?The PVC to R1 must be point-to-point.LMI types must match on each end of a PVC.The frame relay PVCs cannot be established between Cisco and non-Cisco routers.The IETF parameter is missing from the frame-relay map ip 10.10.10.1 201 command

70. Where does a service provider assume responsibility from a customer for a WAN connection?local loopDTE cable on routerdemarcation pointdemilitarized zone

71. Refer to the exhibit. An ACL called Managers already exists on this router. What happens if the network administrator issues the commands as shown in the exhibit?The commands are added to the end of the existing ACL.The existing Managers ACL will be overwritten by the new ACL.The router will output an error message and no changes will be made.A duplicate Managers ACL will be created that will contain only the new commands.

72. Which statement is true about PAP in the authentication of a PPP session?PAP uses a two-way handshake.The password is unique and random.PAP conducts periodic password challenges.PAP uses MD5 hashing to keep the password secure.

73. Which combination of Layer 2 protocol and authentication should be used to establish a link without sending authentication information in plain text between a Cisco and a non-Cisco router?PPP with PAPPPP with CHAPHDLC with PAPHDLC with CHAP

74. Which option correctly defines the capacity through the local loop guaranteed to a customer by the service provider?BEDECIRCBIR

75. Which wireless solution can provide mobile users with non line-of-sight broadband Internet access at speeds comparable to DSL or cable?Wi-FiWiMAXsatelliteMetro Ethernet76. Refer to the exhibit. EIGRP has been configured as a routing protocol on the network. Users on the 192.168.1.0/24 network should have full access to the web server that is connected to 192.168.3.0/24 but should not be allowed to telnet to router R3. Verifying the configuration, the network administrator realizes that users on network 192.168.1.0/24 can successfully telnet to the router. What should be done to remedy the problem?The ACL 101 statements 10 and 20 should be reversed.The ACL 101 should be applied on R3 VTY lines 0 4 in the inbound direction.The ACL 101 should be applied on R3 VTY lines 0 4 in the outbound direction.The ACL 101 should be applied on R3 Serial0/0/1 interface in the outbound direction.The ACL 101 statement 10 should be changed to: permit ip 192.168.1.0 0.0.0.255 any

77. What does an access control list determine when used with NAT on a Cisco router?addresses that are to be translatedaddresses that are assigned to a NAT pooladdresses that are allowed out of the routeraddresses that are accessible from the inside network

78. Which security solution has the responsibility of monitoring suspicious processes that are running on a host and that might indicate infection of Trojan horse applications?antivirus applicationoperating system patchesintrusion prevention systemCisco Adaptive Security Appliance79. Refer to the exhibit. Results of the show vlan and show vtp status commands for switches S1 and S2 are displayed in the exhibit. VLAN 11 was created on S1. Why is VLAN 11 missing from S2?There is a Layer 2 loop.The VTP domain names do not match.Only one switch can be in server mode.S2 has a higher spanning-tree priority for VLAN 11 than S1 does.

80. A technician has been asked to run the Cisco SDM one-step lockdown on a customer router. What will be the result of this process?Traffic is only accepted from and forwarded to SDM-trusted Cisco routers.Security testing is performed and the results are saved as a text file stored in NVRAM.All traffic that enters the router is quarantined and checked for viruses before being forwarded.The router is tested for any potential security problems and all recommended security-related configuration changes will be automatically applied.81. Refer to the exhibit. Which data transmission technology is being represented?TDMPPPHDLCSLIP

82. A network administrator is instructing a technician on best practices for applying ACLs. Which two suggestions should the administrator provide? (Choose two.)Named ACLs are less efficient than numbered ACLs.Standard ACLs should be applied inside the core layer.Place standard ACLs as close to the destination as possible.ACLs applied to outbound interfaces require fewer router resources.Extended ACLs should be applied closest to the source that is specified by the ACL.83.Refer to the exhibit. Which configuration command would result in the output in the exhibit?ip nat inside source static 10.1.200.254 172.16.76.3ip nat inside source static 10.1.200.254 192.168.0.10ip nat inside source static 172.16.76.3 10.1.200.254ip nat inside source static 172.16.76.3 192.168.0.10ip nat inside source static 192.168.0.10 172.16.76.3ip nat inside source static 192.168.0.10 10.1.200.254

84. What are three important reasons to establish a network baseline? (Choose three.)to determine the time it takes for the network to self recover from a failureto determine which areas in the network are underutilized or overutilizedto determine the performance of the network during the normal hours of operationto determine what thresholds should be set for the devices that need to be monitoredto determine the areas in the network which should not be included in the monitoring processto determine the number of users whose access to network resources should be restricted

85. Which two statements are true about creating and applying access lists? (Choose two.)There is an implicit deny at the end of all access lists.One access list per port, per protocol, per direction is permitted.Access list entries should filter in the order from general to specific.The term inbound refers to traffic that enters the network from the router interface where the ACL is applied.Standard ACLs should be applied closest to the source while extended ACLs should be applied closest to the destination.86. Refer to the exhibit. Router RT is not receiving routing updates from router RTA. What is causing the problem?The ip rip authentication key-chain command specifies exam rather than test.The name of the keystring is not the name of the neighboring router.The key chains are given the same name on both routers.The passive-interface command was issued for RTA.

87. Which functions are provided by LCP and NCP as part of the PPP layered architecture?LCP sets up the PPP connection and its parameters. NCP terminates the PPP connection.LCP sets up the PPP connection and its parameters. NCP handles higher layer protocol configurations.LCP includes the link-establishment phase. NCP includes link-maintenance and link-termination phases.LCP negotiates options for multiple network layer protocols. NCP agrees automatically on encapsulation formats.88.Refer to the exhibit. EIGRP has been configured on routers R1 and R2. Connectivity across the Frame Relay switch between routers R1 and R2 is successfully verified using the ping command. However, no EIGRP routes are appearing in the routing table. What could be a cause for this failure?The Frame Relay switch has failed.Theframe-relay mapstatement is incorrect.The S0/0/0 interface of router R1 is administratively down.The S0/0/0 interface of router R2 has an incorrect IP address.

89.Refer to the exhibit. A network administrator is considering updating the IOS on Router1. What version of IOS is currently installed on Router1?112.415 1841

90. Which statement is true about wildcard masks?A wildcard mask must be created by inverting the subnet mask.A wildcard mask performs the same function as a subnet mask.A wildcard mask of 0.0.0.0 means the address should match exactly.A wildcard mask uses a 1 to identify IP address bits that must be checked.

91.Refer to the exhibit. ACL 120 is configured to allow traffic coming from 192.168.10.0/24 network to go to any destination limited to ports 80 and 443. ACL 130 should allow only requested HTTP traffic to flow back into the network. What additional configuration is needed in order for the access lists to fulfill the requirements?

(1)92.Refer to the exhibit. Which statement about the configuration is true?10.10.10.1 is most likely assigned to the local LAN interface.10.10.10.1 through 10.10.10.255 is available to be assigned to users.All DHCP clients looking for an IP address will use 10.10.10.1 and 10.10.10.2.All DHCP clients in the 10.10.10.0/24 network will use 10.10.10.2 as the default gateway.

93. Which statement is true about an interface that is configured with the IPv6 address command?IPv6 traffic-forwarding is enabled on the interface.A link-local IPv6 address is automatically configured on the interface.A global unicast IPv6 address is dynamically configured the interface.Any IPv4 addresses that are assigned to the interface are replaced with an IPv6 address.

94. What can a network administrator do to recover from a lost router password?use thecopy tftp: flash:commandboot the router to bootROM mode and enter thebcommand to load the IOS manuallytelnet from another router and issue theshow running-configcommand to view the passwordboot the router to ROM monitor mode and configure the router to ignore the startup configuration when it initializes

95. Which statement is true about the PPP authentication phase?CHAP uses a 2-way handshake to exchange the credentials.PAP can perform continuous authentication after a link is established.CHAP sends an encrypted username and password during the authentication process.The authentication phase takes place before the NCP configuration phase begins.96.Refer to the exhibit. A network administrator is configuring Frame Relay on router HQ. It is desired that each Frame Relay PVC between the routers be in a separate subnet. Which two commands on HQ will accomplish this task for the connection to R1? (Choose two.)HQ(config)#interface S0/0/0HQ(config)#interface S0/0/0.1 multipointHQ(config)#interface S0/0/0.1 point-to-pointHQ(config-subif)#frame-relay interface dlci 103HQ(config-subif)#frame-relay interface dlci 301HQ(config-if)#frame-relay map ip 172.16.1.1 255.255.255.0 301 broadcast

97. Which wildcard mask would specify all IP addresses from 192.168.8.0 through 192.168.15.255?0.0.0.70.0.7.2550.0.8.2550.0.15.2550.0.255.25598.Refer to the exhibit. WestSW is supposed to send VLAN information to EastSW, but that did not occur. What will force WestSW to send a VLAN update to EastSW?Change EastSW to be a VTP server.Reload both WestSW and EastSW at the same time.Erase the VLAN database on EastSW and reload the switch.Reset the configuration revision number on EastSW to zero.Reload EastSW.

99. Which additional functionality is available on an interface when the encapsulation is changed from HDLC to PPP?flow controlerror controlauthenticationsynchronous communication

100. Which three physical network problems should be checked when a bottom-up troubleshooting approach has been chosen to troubleshoot network performance? (Choose three.)cable connectivityhigh collision countsSTP failures and loopsaddress mapping errorshigh CPU utilization ratesexcess packets that are filtered by the firewall

1. What is the result when the command permit tcp 192.168.4.0 0.0.3.255 any eq telnet is entered in an access control list and applied on the inbound interface of a router?All traffic that originates from 192.168.4.0/24 is permitted.All TCP traffic is permitted, and all other traffic is denied.All Telnet traffic from the 192.168.0.0/16 network is permitted.All traffic from the 192.168.4.0/22 network is permitted on TCP port 23.

2. Which encapsulation protocol when deployed on a Cisco router over a serial interface is only compatible with another Cisco router?PPPSLIPHDLCFrame Relay

3. What translation method will allow a server to always keep the same public address?static NATdynamic NATstatic NAT with overloaddynamic NAT with overload

4. A light manufacturing company wishes to replace its DSL service with a non-line-of-sight broadband wireless solution that offers comparable speeds. Which solution should the customer choose?Wi-FisatelliteWiMAXMetro Ethernet

5.Refer to the exhibit. Which statement correctly describes how Router1 processes an FTP request packet that enters interface S0/0/0, and is destined for an FTP server at IP address 172.16.1.5?The router matches the incoming packet to the statement that is created byaccess-list 201 permit ip any anycommand and allows the packet into the router.The router reaches the end of ACL 101 without matching a condition and drops the packet because there is no statement that was created byaccess-list 101 permit ip any anycommand.The router matches the incoming packet to the statement that was created by theaccess-list 101 permit ip any 172.16.1.0 0.0.0.255command, ignores the remaining statements in ACL 101, and allows the packet into the router.The router matches the incoming packet to the statement that was created by theaccess-list 201 deny icmp 172.16.1.0 0.0.0.255 anycommand, continues comparing the packet to the remaining statements in ACL 201 to ensure that no subsequent statements allow FTP, and then the router drops the packet.

6. Which characteristic of VPN technology prevents the contents of data communications from being read by unauthorized parties?QoSlatencyreliabilityconfidentiality

7.Refer to the exhibit. A technician is teaching a trainee to interpret the results of various Frame Relay troubleshooting commands. What conclusion can be drawn from the output that is shown?Neighboring routers should use DLCI 177 to reach the Branch router.DLCI 177 will be used to identify all broadcasts that are sent out the Branch router.The Branch router has the address 192.168.3.1 configured for the S0/0/0 interface.To reach 192.168.3.1, the Branch router will use the virtual circuit that is identified by DLCI 177.

8.Refer to the exhibit. A system administrator must provide connectivity to a foreign network for ten hosts in a small remote office. The commands that are listed in the exhibit were entered into the router that connects the foreign network. The users in the remote office report occasional failure to connect to resources in the foreign network. What is the likely problem?The source addresses are not correctly designated.The translated address pool is not correctly sized.The access-list command is referencing the wrong addresses.The wrong interface is designated as the source for translations.

9. An issue of response time has recently arisen on an application server. The new release of a software package has also been installed on the server. The configuration of the network has changed recently. To identify the problem, individuals from both teams responsible for the recent changes begin to investigate the source of the problem. Which statement applies to this situation?Scheduling will be easy if the network and software teams work independently.It will be difficult to isolate the problem if two teams are implementing changes independently.Results from changes will be easier to reconcile and document if each team works in isolation.Only results from the software package should be tested as the network is designed to accommodate the proposed software platform.

10.Which method is most effective in protecting the routing information that is propagated between routers on the network?Disable IP source routing.Configure passive interfaces.Configure routing protocol authentication.Secure administrative lines with Secure Shell.

11.When NAT is in use, what is used to determine the addresses that can be translated on a Cisco router?access control listrouting protocolinbound interfaceARP cache12. A network administrator can ping the Perth router, but gets a Password Required but None Set message when trying to connect remotely via Telnet. Which command sequence must be applied to the Perth router to allow remote access?Router(config)#line console 0Router(config-line)#loginRouter(config-line)#password ciscoRouter(config)#line vty 0 4Router(config-line)#loginRouter(config-line)#password ciscoRouter(config)#line virtual terminalRouter(config-line)#enable loginRouter(config-line)#password ciscoRouter(config)#line vty 0 4Router(config-line)#enable secretRouter(config-line)#password ciscoRouter(config)#enable secret ciscoRouter(config)#enable cisco

13. A router does not load its configuration after a power failure. After running the show startup-configuration command, the administrator finds that the original configuration is intact. What is the cause of this problem?The configuration register is set for 02100.The configuration register is set for 02101.The configuration register is set for 02102.The configuration register is set for 02142.Boot system commands are not configured.Flash memory is empty causing the router to bypass the configuration in NVRAM

14. A network administrator is asked to design a system to allow simultaneous access to the Internet for 250 users. The ISP for this network can only supply five public IPs. What can be used to accomplish this task? routable translation dynamic translation static translation port address translation

15. The LAN attached to the Ethernet interface of the Raleigh router shown inthe graphicis addressed with private IP addresses. If one public IP is assigned to the company, which commands could be used in a configuration that allows all devices with private IPs in this network to access the Internet? (Choose two.)

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ip nat inside source list 1 interface serial0overload ip nat outside source list 1 interface serial0 overload ip nat inside serial0 ip nat inside source list 1 pool Raleighoverload ip nat inside Raleigh overload ip inside nat source list 1 interface serial0 Raleigh

16. The command output shown inthe graphicwas taken from a Cisco 806 broadband router. Which kind of address translation is in effect on this router? static dynamicoverload private public

17. Which of the following IP addresses are defined by RFC 1918 as private addresses? (Choose three.) 192.168.146.0/22 172.10.25.0/16 172.31.0.0/16 20.0.0.0/8 10.172.92.8/29

18. How will data be transmitted from the router to the ISP if the router has the two links shown inthe graphic? Both links willtransmitdata at the same rate. 1544 bits can be transmitted simultaneously from the router over the T1 line. Both links willtransmitbits one by one. The 56K link willtransmita maximum of 53 bits at the same time.

19. Which statements about DHCP are true? (Choose three.) DHCP uses TCP. DHCP uses UDP. DHCP sends messages to the server on port 67. DHCP sends messages to the server on port 68. DHCP sends messages to the client on port 67. DHCP sends messages to the client on port 68.

20. Which command would be used to exclude the IP address 192.168.24.5 from the DHCP address pool on a router? Router(dhcp-config)# ip dhcp excluded-address 192.168.24.5 Router# ip dhcp excluded-address 192.168.24.5 Router(config-excluded)# ip dhcp excluded-address 192.168.24.5 Router(config)# ip dhcp excluded-address 192.168.24.5 Router(config)# excluded-address 192.168.24.5 Router(dhcp-config)# excluded-address 192.168.24.5

21. The WAN connection for a nationwide company with 250 offices must support constant connections to core layer services for file sharing, and occasional Internet access. Which combination of WAN technologies will meet these needs with minimum expense? Frame Relay PVC for Internet access and ATM for file server access Frame Relay PVC for Internet access and ISDN for file server access ISDN for Internet access and X.25 for file server access ISDN for Internet access and Frame Relay PVC for file server access

22. Which command would produce the output shown inthe graphic? show ip dhcp server statistics show ip dhcp binding debug ip dhcp server events debug ip dhcp binding

23. Which of the following devices is used to establish the communications link between the customer equipment and the local loop for digital lines? terminal adapter modem CSU/DSU PBX switch ISDN switch Frame Relay Switch

24. Which of the following statements are true about Frame Relay? (Choose three.) Frame Relay operation is defined by a series ofISO standards. Frame Relay is a packet switched, connection-oriented, wide area network service. Frame Relay only supports point-to-point connections. A router can be considered as data terminal equipment (DTE) in a frame relay system. Frame Relay is a cell switched, connection-oriented, wide area network service. Frame Relay networks use a subset of the HDLC protocol to carryinformation.

25. ITU-T Q.921 specifies the use of which protocol for sending control and signaling messages between the router and the ISDN switch? HDLC IPCP LAPB LAPD NCP SS7

26. A company needs a WAN connection that is capable of transferring voice, video, and data at a minimum data rate of 155 Mbps. Which WAN connection is the best choice? X.25 DSL ATM ISDN BRI ISDN PRI

27. Which statement explains why basic DSL is an unpopular WAN connectivity choice for enterprisecomputerdepartments that support home users? DSL offers insufficient bandwidth to home users. DSL requires theinstallationof new cables, which is not always possible for home users. DSL dialup connection time is too slow for business use. DSL has limited geographical availability.

28. When planning simple WAN connections for a small company, which feature of the three layer hierarchical model makes it a good choice for the WAN topology. It provides for redundancy. It allows for easy WAN expansion in case of company growth. It is less expensive. It provides faster connection time. It provides less latency and jitter.

29. Which of the following terms describes a device that will put data on the local loop? DLCI CO DCE DTE PRI BRI

30. Which of the following are supported by a BRI interface on a router? (Choose two.) Two independent channels that can carry analog data with a bandwidth of 64 KHz.A single128 Kbps digital bearer channel. Two multiplexed channels carrying digital data.A single64 Kbps signaling channel. A multiplexed data channel that can only handle SS7information. A 16 Kbps delta channel used for signaling purposes.

31. A network administrator has been asked to provide the network in the United States with an ISDN WAN link. The router available to provide the WAN connection is a non-modular Cisco router with two serial connections. What must be done to adapt one of the serial interfaces of this router for the ISDN connection? Nothing. The router is already suitable. Purchase a BRI WAN interface cardto installin the router. Purchase a U interfaceto installin the router. Purchase a TA/NT1 deviceto installon the router.

32. (NEEDANSWERS!!!)Which of the following is a function of a DCE device? determines the next-hop address for a packet multiplexes signals from several sources adaptsinformationfor use on a service providers network used to directly connect two DTEs to simulate a WAN network

33. Why would data frames be discarded in a Frame Relay network? (Choose two.) The frame contains an incorrect IP address. An error has been detected in computing the frame check sequence. There is not enough bandwidth dedicated for the datacontainedin the frame. Data is transmitted at a rate greater than the access speed. The frame contains an incorrect DLCI.

34. Which of the following are commonly used as DataCommunications Equipment? (Choose two.) modem router CSU/DSU ISDN Switch Frame Relay Switch

35. Which of the following LCP options can be configured for PPP? (Choose three.) CHAP Stacker IPCP CDPCP Multilink

36. Which command will provide for CHAP authentication if the hostname on a challenging router is tampa with a password of florida? username tampa password florida username tampa florida hostname tampa password florida hostname tampa florida

37. Which of the following describes the PAP protocol? (Choose two.) sends unencrypted authentication passwords performs a three-way handshake allows repeated login attempts uses the remote router hostname to verify identity sends a random challenge throughout the session

38. Why was NAT created? (Choose two.) to create firewalls on routers to conserve IP addresses to translate domain names into IP addresses to map network addresses to the corresponding data link address to hide internal addresses from external devices

39. An ISDN router is configured for DDR as shown inthe graphicto provide Internet connectivity for the company. Immediately after a user in the company attempts opens a web browser to connect to the Internet, another user in the company tries to download a file using FTP. What will happen? (Choose two.) The user that opened the browser will connect to the Internet because the DDR link will consider this traffic interesting. The Internet user will be disconnected because the FTP data will cause the DDR link to shut down. The DDR link will allow the FTP traffic because it is interesting. The DDR link will not allow the FTP traffic because it is not interesting. The FTP connection will fail because the DDR link is already in use for the Internet connection. The FTP connection will succeed because the web user already opened the DDR link.

40. Which command configures the SPID on the first B channel of an ISDN interface? Router(config)# isdn spid0 spid-number [ldn] Router(config)# isdn spid1 spid-number [ldn] Router(config-if)# isdn spid0 spid-number [ldn] Router(config-if)# isdn spid1 spid-number [ldn]

41. What does the command debug isdn q921 display? exchange of call setup and teardown messages PAP and CHAP authentication traffic Layer 2 messages on the D channel protocol errors and statistics Layer 2 messages on the B channel

42. When PPP authentication is enabled, which of the following may be checked before establishing a PPP link between two devices? (Choose two.) the enable password on the remote device the ip host configuration on the remote device the security server database for the username and password of the remote device the hostname and enable password on the local device the local database for the username and password of the remote device

43. How many separate B channel circuits can be provisioned on a PRI interface that uses a T1 line for connectivity? 2 16 23 24 30 128

44. Which operating systems support multiuser capability? (Choose three.) Linux Windows 98 Windows ME Windows XP Windows 2000

45. What does a DLCI of 0 indicate about a frame? (Choose two.) This is the first data frame sent by the router. This is a management frame. The encapsulation type is Cisco. The encapsulation type is IETF. The LMI type is Ansi or q933a. The LMI type is Cisco.

46. Which of the following protocols can be used to encapsulate data traffic sent from a router BRI interface? (Choose two.) Link Access Protocol Data High-Level Data Link Control Logical Link Control Serial Data Link Control Point to Point protocol Binary Synchronous Control protocol

47. An administrator consoled into the Jelly router needs to telnet to the Butter router. What DLCI will the Jelly router place in the frame to perform this operation? 110 115 220 225

48. Which commands can be used to identify which DLCIs are active? (Choose two.) show frame-relay map show frame-relay lmi show frame-relay pvc show frame-relay interface show interfaces show ip route

49. A technician is testing the functionality of a recently installed router. The technician is unable to ping the serial interface of a remote router. The technician executes the show interface serial0/0 command on the local router and sees the following line in the output: Serial0/0 is up, line protocol is down. What are possible causes for this command output? (Choose three.) remote CSU/DSU failure serial cable missing interface shutdown keepalives not being sent clocking signal missing

50. A router needs to forward a message received from a host. How does the router identify the correct VC to forward the message? (Choose two.) The router forwards the frame to all ports in the network and learns the address from the reply frame. The destination host IP address is embedded in the DLCI. The router searches Inverse ARP tables for maps of DLCIs to IP addresses. A table of static mappings can be searched. The router broadcasts a request for the required IP address.

51. Which of the following statements regarding point-to-point subinterfaces are true? (Choose two.) A point-to-point subinterface on one router must be connected to a similar subinterface on a remote router. Each point-to-point subinterface connection is configured with its own subnet. The DLCIs configured on the remote and local routers must be the same for the PVC. LMI frames are not transmitted through a subinterface. Routing updates in point-to-point networks are not subject to the split-horizon rule.

52. Which of the following can be concluded from the router output displayed in the graphic? (Choose two.) The local DLCI number of this PVC is 100. The interface has been configured for subinterfaces and this map is for subinterface 0. Inverse ARP has determined the remote ip address as 10.140.1.1. The LMI type is ANSI (064). There is currently no congestion on the link.

53. Which of the following are functions of the Local Management Interface used in Frame Relay networks? (Choose three.) exchange information about the status of virtual circuits map DLCIs to network addresses provide flow control provide error notification provide congestion notification send keepalive packets to verify operation of the PVC

54. Which of the following describe functions of the Point-to-Point protocol with regards to the OSI model? (Choose three.) PPP uses Layer 3 of the OSI model to establish and maintain a session between devices. PPP operates at all layers of the OSI model. PPP uses the data link layer to configure such options as error detection and compression. PPP provides a mechanism to multiplex several network layer protocols. PPP uses Network Control Protocols (NCP) to test and maintain connectivity between devices. PPP can be configured on both synchronous and asynchronous serial interfaces.

43. Which of the following describes the CHAP protocol? (Choose three.) exchanges a random challenge number during the session to verfiy identity sends authentication password to verify identity prevents transmission of login information in plain text disconnects the PPP session if authentication fails initiates a two-way handshake

55. Which of the following switching types will allow the communication devices in the providers network to be shared and only allocated to an individual subscriber during data transfer? circuit-switched packet-switched frame-switched dedicated-switched lines lease-switched

56. How does Frame Relay technology process frames that contain errors? (Choose two.) Frame Relay services depend on the upper layer protocols to handle error recovery. It requires the receiving device to request that the sender retransmit erroneous frames. FECN, BECN, and DE bits are set in the frames to minimize errors. The receiving device drops any frames that contain errors without notifying the sender. The frame relay switch notifies the sender that errors were detected.

57. Which of the following describes the WAN devices and cabling shown in the graphic? (Choose two.) A null-modem cable is used between RouterD and DeviceC for connectivity. A DB-25 or DB-9 serial cable is connected to interface S0/0 of RouterA. DeviceB and DeviceC are DCE devices. The same encoding scheme must be used by DeviceB and DeviceC. A synchronous serial connection exists between DeviceB and DeviceC.

58. Which Frame Relay flow control mechanism is used to signal routers that they should reduce the flow rate of frames?DEBECIRFECNCBIR

59. An administrator issues the command confreg 02142 at the rommon 1> prompt. What is the effect when this router is rebooted?Contents in RAM will be erased.Contents in RAM will be ignored.Contents in NVRAM will be erased.Contents in NVRAM will be ignored.

60. Which type of network attack exploits vulnerabilities in the compromised system with the intent of propagating itself across a network?viruswormTrojan horseman-in-the-middle

61. Which important piece of troubleshooting information can be discovered about a serial interface using the show controllers command?queuing strategyserial cable typeinterface IP addressencapsulation method

62.

Refer to the exhibit. Which statement is true about the Frame Relay connection?The Frame Relay connection is in the process of negotiation.A congestion control mechanism is enabled on the Frame Relay connection.The ACTIVE status of the Frame Relay connection indicates that the network is experiencing congestion.Only control FECN and BECN bits are sent over the Frame Relay connection. No data traffic traverses the link.

63. Refer to the exhibit. Computers on the internal network need access to all servers in the external network. The only traffic that is permitted from the external network must be responses to requests that are initiated on the internal network. Which security measure would satisfy this requirement?a numbered extended ACLa named standard ACLa reflexive ACLa dynamic ACL

64. Refer to the exhibit. A network administrator is attempting to configure a Frame Relay network. The administrator enters the commands as shown in the exhibit on R2, but the Frame Relay PVCs are inactive. What is the problem?The incorrect DLCI numbers are being configured on R2.The S0/0/0 interface on R2 needs to be point-to-point.The frame-relay map commands are missing the cisco keyword at the end.A single router interface cannot connect to more than one Frame Relay peer at a time.

65. Which configuration on the vty lines provides the best security measure for network administrators to remotely access the core routers at headquarters?

66.Refer to the exhibit. In the partial router configuration that is shown, what is the purpose of access list BLOCK_XYZ?to prevent source IP address spoofing by hosts on the Fa0/0 LANto block access by Fa0/0 LAN hosts to all network services beyond the routerto prevent users on the Fa0/0 LAN from opening Telnet sessions on the routerto secure Fa0/0 hosts by allowing only locally sourced traffic into the Fa0/0 LAN

67.Refer to the exhibit. A network administrator notices that three VLANs created on SW1 do not show in SW3. Based on output from the show vtp status and show running-config commands, what is the cause of the problem in the SW3 configuration?VTP version 2 is disabled.The VTP mode is misconfigured.The configure revision number for VTP does not match.Trunk mode is not configured on FastEthernet 0/1 and 0/2.

68.Refer to the exhibit. What statement is true about the core router devices? They use multiport internetworking devices to switch traffic such as Frame Relay, ATM, or X.25 over the WAN. They provide internetworking and WAN access interface ports that are used to connect to the service provider network. They provide termination for the digital signal and ensure connection integrity through error correction and line monitoring. They support multiple telecommunications interfaces of the highest speed and are able to forward IP packets at full speed on all of those interfaces.

69. When would the multipoint keyword be used in Frame Relay PVCs configuration?when global DLCIs are in usewhen using physical interfaceswhen multicasts must be supportedwhen participating routers are in the same subnet

70. A light manufacturing company wishes to replace its DSL service with a non-line-of-sight broadband wireless solution that offers comparable speeds. Which solution should the customer choose?Wi-FisatelliteWiMAXMetro Ethernet

71. A network technician wants to implement SSH as the means by which a router may be managed remotely. What are two procedures that the technician should use to successfully complete this task? (Choose two.)Configure the login banner.Configure authentication.Define the asymmetrical keys.Configure the console password.Enter the service password-encryption command.

72. What are the symptoms when the s0/0/0 interface on a router is attached to an operational CSU/DSU that is generating a clock signal, but the far end router on the point-to-point link has not been activated?show controllers indicates cable type DCE V.35. show interfaces s0/0/0 indicates serial down, line protocol down.show controllers indicates cable type DCE V.35. show interfaces s0/0/0 indicates serial up, line protocol down.show controllers indicates cable type DTE V.35. show interfaces s0/0/0 indicates serial up, line protocol down.show controllers indicates cable type DTE V.35. show interfaces s0/0/0 indicates serial down, line protocol down.

73. Which characteristic of VPN technology prevents the contents of data communications from being read by unauthorized parties?QoSlatencyreliabilityconfidentiality

74. Which address provides an example of an IPv6 link-local address?FE80::1324:ABCD2001:2345:AB12:1935::FEFF2001:1234:0000:9CA::0876/641234:ABCD:5678:EF00:9234:AA22:5527:FC3575. What major benefit does Cisco HDLC provide that ISO standard HDLC lacks?flow controlerror controlmultiprotocol supportcyclic redundancy checks76.Refer to the exhibit. A network administrator has issued the commands that are shown on Router1 and Router2. A later review of the routing tables reveals that neither router is learning the LAN network of the neighbor router. What is most likely the problem with the RIPng configuration?The serial interfaces are in different subnets.The RIPng process is not enabled on interfaces.The RIPng network command is not configured.The RIPng processes do not match between Router1 and Router2.

77. At what physical location does the responsibilty for a WAN connection change from the user to the service provider?demilitarized zone (DMZ)demarcation pointlocal loopcloud

78. Which IP address and wildcard mask would be used in an ACL to block traffic from all hosts on the same subnet as host 192.168.16.43/28?access-list 10 deny 192.168.16.0 0.0.0.31access-list 10 deny 192.168.16.16 0.0.0.31access-list 10 deny 192.168.16.32 0.0.0.16access-list 10 deny 192.168.16.32 0.0.0.15access-list 10 deny 192.168.16.43 0.0.0.16

79.Refer to the exhibit. How is the TCP/IP configuration information specified by the default-router and dns-server commands made available? The TCP/IP information is forwarded to a 10.0.1.3 to be supplied to DHCP clients. The TCP/IP information is used by DNS clients to forward all data to the default gateway on R1 of 10.0.1.3. The TCP/IP information is supplied to any DHCP client on the network connected to the FastEthernet 0/0 interface of R1. The TCP/IP information is applied to each packet that enters R1 through the FastEthernet 0/0 interface that are hosts on the 10.0.1.0 /24 network except packets from addresses 10.0.1.2, 10.0.1.16, and 10.0.1.254.

80.Refer to the exhibit. Based on the output as shown, which two statements correctly define how the router will treat Telnet traffic that comes into interface FastEthernet 0/1? (Choose two).Telnet to 172.16.10.0/24 is denied.Telnet to 172.16.20.0/24 is denied.Telnet to 172.16.0.0/24 is permitted.Telnet to 172.16.10.0/24 is permitted.Telnet to 172.16.20.0/24 is permitted.

81. While troubleshooting a PPP link that uses PAP authentication, a network administrator notices an incorrectly configured password in the running configuration. The administrator corrects the error by entering the command ppp pap sent-username ROUTER_NAME password NEW_PASSWORD, but the link still does not come up.Assuming that the rest of the configuration is correct and that the link has no physical layer problems, what should the administrator do?Save the configuration to NVRAM.Shut down the interface then re-enable it.Generate traffic by pinging the remote router.Use CHAP to ensure compatibility with the remote router.

82. A network administrator determines that falsified routing information is propagating through the network. What action can be used to address this threat?Update the IOS images.Change console passwords.Employ end-user authentication.Configure routing protocol authentication.

83. What is tunneling?using digital certificates to ensure that data endpoints are authenticcreating a hash to ensure the integrity of data as it traverses a networkusing alternate paths to avoid access control lists and bypass security measuresencapsulating an entire packet within another packet for transmission over a network

84.Refer to the exhibit. A network administrator has been asked to configure PPP with CHAP authentication over the serial link between routers R1 and R2. What additional configuration should be included on both routers to complete the task?

85.Refer to the exhibit. A network administrator is creating a prototype to verify the new WAN design. However, the communication between the two routers cannot be established. Based on the output of the commands, what can be done to solve the problem?Replace the serial cable .Replace the WIC on RA.Configure RA with a clock rate command.Issue a no shutdown interface command on RB.

86.Refer to the exhibit. A network technician has been called in to resolve a problem with this network segment. The symptoms include a loss of connectivity throughout the network segment, high link utilization, and syslog messages that indicate constant MAC address relearning. What is the likely cause of these symptoms?cable faultfaulty NIC cardIP addressing errorspanning tree problemNAT configuration error

87.Refer to the exhibit. To reach R2, and for configuring Frame Relay on the point-to-point interfaces shown in the graphic, which DLCI should be used in the frame-relay interface-dlci command that is issued on R1?100101200201

88.Refer to the exhibit. Which two actions are described by the output of the debug ip nat command? (Choose two.)A packet from 192.168.1.2 has been translated using NAT overload.The * indicates that the NAT translation was unsuccessful and the packet was dropped.A packet from 192.31.7.2 has been translated by NAT and forwarded to a destination address of 198.133.219.2.A packet from 192.31.7.2 has been sent to 198.133.219.2, which was then translated to the destination 192.168.1.2A packet from 192.168.1.2 has been translated by NAT to a source address of 198.133.219.2 and forwarded to the destination 192.31.7.2.

89 Which Layer 2 access method separates traffic into time slots and is specified by DOCSIS for use with cable high speed Internet service?TDMAFDMACDMAS-CDMA

90 What is a common use of a TFTP server?to allow access to restricted system resourcesto detect attacks against a network and send logs to a management consoleto provide active defense mechanisms that prevent attacks against the networkto perform IOS image and configuration uploads and downloads over the network

91 After troubleshooting a LAN, a network technician has determined that network performance has been severely impacted by the attenuation of the bit stream. Which physical layer condition led the technician to this conclusion?There is an excessive amount of EMI on the physical media.The amplitude of the physical layer data has been significantly reduced.There is an open conductor between the endpoints on the physical media.The maximum allowed clock rate on the physical media has been exceeded.

92 A network technician wants to implement SSH as the means by which a router may be managed remotely. What are two procedures that the technician should use to successfully complete this task? (Choose two.)Configure the login banner.Configure authentication.Define the asymmetrical keys.Configure the console password.Enter the service password-encryption command.

93 Which two protocols in combination should be used to establish a link with secure authentication between a Cisco and a non-Cisco router? (Choose two.)HDLCPPPSLIPPAPCHAP

94 An administrator attempts to telnet into a remote device and receives the error Password required but none set. How can the administrator resolve this issue?Set the enable secret command on the remote router.Set the login command on the vty lines on the remote router.Set the password command on the vty lines on the remote router.Enable the service password-encryption command on the remote router.

95 Which additional functionality is available on an interface when the encapsulation is changed from HDLC to PPP?flow controlerror controlauthenticationsynchronous communication

96 A network administrator uses the 3DES algorithm to encrypt traffic that crosses a VPN. Which VPN characteristic is being configured?authenticationauthorizationdata integritydata confidentiality97.Refer to the exhibit. What statement is true about the core router devices?They use multiport internetworking devices to switch traffic such as Frame Relay, ATM, or X.25 over the WAN.They provide internetworking and WAN access interface ports that are used to connect to the service provider network.They provide termination for the digital signal and ensure connection integrity through error correction and line monitoring.They support multiple telecommunications interfaces of the highest speed and are able to forward IP packets at full speed on all of those interfaces.

98 A network administrator is instructing a technician on best practices for applying ACLs. Which suggestion should the administrator provide?Named ACLs are less efficient than numbered ACLs.Standard ACLs should be applied closest to the core layer.ACLs applied to outbound interfaces are the most efficient.Extended ACLs should be applied closest to the source that is specified by the ACL.

99 When configuring a Frame Relay connection, what is the purpose of Inverse ARP?to assign a DLCI to a remote peerto disable peer requests from determining local Layer 3 addressesto negotiate LMI encapsulations between local and remote Frame Relay peersto create a mapping of DLCI to Layer 3 addresses that belong to remote peers

100 An administrator learns of an e-mail that has been received by a number of users in the company. This e-mail appears to come from the office of the administrator. The e-mail asks the users to confirm their account and password information. Which type of security threat does this e-mail represent?crackingphishingphreakingspamming

1 Which encapsulation protocol when deployed on a Cisco router over a serial interface is only compatible with another Cisco router?PPPSLIPHDLCFrame Relay2.Refer to the exhibit. Which option displays the correct ACL that would need to be applied inbound on the S0/0/0 interface on R2 in order to permit any type of network traffic and block all FTP traffic coming from hosts on the 172.16.10.0/24 network going to the Internet?

3 Which characteristic of VPN technology prevents the contents of data communications from being read by unauthorized parties?QoSlatencyreliabilityconfidentiality4 Which configuration on the vty lines provides the best security measure for network administrators to remotely access the core routers at headquarters?

5 . What are two characteristics of DSL technology? (Choose two.)Uploads typically offer larger transfer rates than downloads.Service providers deploy DSL in the local loop of the telephone network.DSL download rates are reduced by large volumes of POTS voice traffic.Filters and splitters allow POTS and DSL traffic to share the same medium.DSL is a shared medium that allows many users to share bandwidth available from the DSLAM.6.Refer to the exhibit. What is the effect of the extended ACL when applied inbound on the S0/0/0 interface on R2? All IP traffic will be permitted during the specified days and time range. Both IP and Telnet traffic will be permitted during the specified days and time range. Only Telnet traffic destined for 172.16.10.0/24 will be permitted during the specified days and time range. Telnet traffic will be permitted only during the specified days and time range. All other network traffic will be permitted any time.

7.Refer to the exhibit. Branch A has a Ciscorouter. Branch B has a non-Cisco router set for IETF encapsulation. After the commands that are shown are entered, R2 and R3 fail to establish the PVC. The R2 LMI is Cisco, and the R3 LMI is ANSI. The LMI is successfully established at both locations. Why is the PVC failing? The PVC to R3 must be point-to-point. LMI types must match on each end of a PVC. Theietfparameter is missing from theframe-relay map ip 10.10.10.3 203command. The PVCs at R2 use different encapsulation types. A single port can only support one encapsulation type.

8. At what physical location does the responsibility for a WAN connection change from the service provider to the user?DMZlocal loopCSU/DSUdemarcation point

9.Refer to the exhibit. What can be concluded from the exhibited output of the debug ip natcommand? The 10.1.1.225 host is exchanging packets with the 192.168.0.10 host. The native 10.1.200.254 address is being translated to 192.168.0.10. The 192.168.0.0/24 network is the inside network. Port address translation is in effect.

10.Refer to the exhibit. Which two statements correctly describe how Router1 processes an FTP request that enters interface S0/0/0 and is destined for an FTP server at IP address 192.168.1.5? (Choose two.)The packet does not match an access list condition.The router matches the incoming packet to the statement that is created from theaccess-list 201 permit ip any anycommand.The router matches the incoming packet to the statement that is created from theaccess-list 101 permit ip any 192.168.1.0 0.0.0.255command.The router matches the incoming packet to the statement that is created from theaccess-list 201 deny icmp 192.168.1.0 0.0.0.255 anycommand.The packet is allowed into Router1.

11.Refer to the exhibit. Which statement is true about the WAN switch device?It uses a multiport internetworking device to switch traffic such as Frame Relay, ATM or X.25 over the WAN.It provides internetworking and WAN access interface ports that are used to connect to the service provider network.It provides termination for the digital signal and ensures connection integrity through error correction and line monitoring.It converts the digital signals produced by a computer into voice frequencies that can be transmitted over the analog lines of the public telephone network.

12.Refer to the exhibit. Which statement is true about the status of the Frame Relay connection?The Frame Relay connection is in the process of negotiation.Only packets with control bit DE set are sent over the PVC. No data traffic traverses the link.Packets marked as FECN and BECN indicate that a congestion control mechanism is enabled on the Frame Relay PVC.The DLCI USAGE = LOCAL status indicates that the PVC link is not established between the interface S0/0/0.1 and the Frame Relay switch.

13. An administrator is configuring a dual stack router with IPv6 and IPv4 using RIPng. The administrator receives an error message when trying to enter the IPv4 routes into RIPng. What is the cause of the problem?RIPng is incompatible with dual-stack technology.All interfaces have been configured with the incorrect IPv4 addresses.RIPv1 or RIPv2 needs to be configured in addition to RIPng to successfully use IPv4.When IPv4 and IPv6 are configured on the same interface, all IPv4 addresses are shut down in favor of the newer technology.

14. Refer to the exhibit. A network administrator is using two routers to test a WAN connection . What can be concluded based on the output of theshow running-configcommands?The WAN link is using PPP encapsulation.The WAN link speed is faster than a T1 line.The router R2 serves as the DCE for the WAN link.The WAN link is configured with the Cisco default encapsulation protocol.

15. An administrator learns of an e-mail that has been received by a number of users in the company. This e-mail appears to come from the office of the administrator. The e-mail asks the users to confirm their account and password information. Which type of security threat does this e-mail represent?crackingphishingphreakingspamming

16. What effect would the Router1(config-ext-nacl)#permit tcp 172.16.4.0 0.0.0.255 any eq wwwcommand have when implemented inbound on the f0/0 interface?All TCP traffic is permitted, and all other traffic is denied.The command is rejected by the router because it is incomplete.All traffic from 172.16.4.0/24 is permitted anywhere on any port.Traffic originating from 172.16.4.0/24 is permitted to all TCP port 80 destinations.

17. What is a common use of a TFTP server?to allow access to restricted system resourcesto detect attacks against a network and send logs to a management consoleto provide active defense mechanisms that prevent attacks against the networkto perform IOS image and configuration uploads and downloads over the network

18.Refer to the exhibit. PC1, PC2, and PC3 are configured with dynamic address assignments. PC2 is assigned an IP address from the DHCP server. What would account for the IP addresses that are currently assigned to PC1 and PC3?Switch S2 port Fa0/12 is configured for full-duplex.These addresses were included in the DHCP server pools.Router R1 has a misconfigured IP address on interface Fa1/0.R1 interface Fa0/0 is not in the same network as the DHCP server.R1 interfaces Fa0/0 and Fa1/0 do not include theip helper-addresscommand.

19.Refer to the exhibit. Routers R1 and R2 are both configured for single area OSPF. Users who are connected to switch S1 are unable to access database applications that run on servers that are connected to S2. The network engineer is working remotely and only has the information that is shown in the exhibit to direct initial troubleshooting efforts. Based on the exhibit, which OSI layer is the most appropriate to start with for a divide-and-conquer approach?network layerapplication layerdata-link layerphysical layer

20. A network administrator added two switches and a new VLAN over the past weekend. How can the administrator determine if the additions and changes improved performance and availability on the company intranet?Perform a baseline test and compare the current values to values that were obtained in previous weeks.Interview departmental secretaries and determine if they think load time for web pages is improved.Compare the hit counts on the company web server for the current week to the values that were recorded from previous weeks.Performance on the intranet can be determined by monitoring load times of company web pages from remote sites.

21.Refer to the exhibit. A network administrator configures a standard access control list on Router1 to prohibit traffic from the 192.168.0.0/24 network from reaching the Internet. The access control list also permits traffic from the 192.168.0.0/24 network to reach the 192.168.1.0/24 network. On which interface and in which direction should the access control list be applied?interface Fa0/0, inboundinterface Fa0/0, outboundinterface S0/0/0, inboundinterface S0/0/0, outbound

22. Which IEEE 802.16 broadband wireless technology allows users to connect to the ISP at speeds comparable to DSL and cable?Wi-FisatelliteWiMAXMetro Ethernet

23.Refer to the exhibit. Router1 and Router2 each support separate areas of a data center, and are connected via a crossover cable. Resources attached to Router1 are unable to connect to resources attached to Router2. What is the likely cause?The crossover cable is faulty.The IP addressing is incorrect.There is a Layer 2 problem with the router connection.The upper layers are experiencing an unspecified problem.One or both of the Ethernet interfaces are not working correctly.

24. A network administrator is instructing a technician on best practices for applying ACLs. Which suggestion should the administrator provide?Named ACLs are less efficient than numbered ACLs.Standard ACLs should be applied closest to the core layer.ACLs applied to outbound interfaces are the most efficient.Extended ACLs should be applied closest to the source that is specified by the ACL.

25.

Refer to the exhibit. How many addresses could be assigned to clients by DHCP_Router?317195112526.Refer to the exhibit. A network administrator is creating a prototype to verify the new WAN design. However, the communication between the two routers cannot be established. Based on the output of the commands, what can be done to solve the problem? Replace the serial cable. Replace the WIC on RA. Configure RA with aclock ratecommand. Issue ano shutdowninterface command on RB.

27. Refer to the exhibit. Routers R1 and R2 have been configured with EIGRP in the same autonomous system. Computers PC1 and PC2 are not able to ping each other. Further investigation has revealed that the route to 192.168.10.0 is missing from the routing table on R2. What is the cause of the problem?The networks are not correctly summarized.The FastEthernet interfaces on R1 are configured as passive.The network statements on R2 are incorrectly configured.EIGRP on R1 does not recognize the 192.168.10.0 network.

28. During the initial configuration of a router, the administrator enters the commandno service config. How will the router behave as a result of this command?All services will be disabled.The default configuration will be restored on reboot.Automatic configuration from the network will be prevented.Services that are configured on the router will not be allowed to originate traffic.29.

Refer to the exhibit. From the output of theshow interfacecommands, at which OSI layer is a fault indicated?applicationtransportnetworkdata linkphysical

30.Refer to the exhibit. PAT has been implemented on router R2. PC1 and PC2 are unsuccessful when attempting to connect to Internet resources. What is a possible cause?No NAT pool is configured.The "inside" and "outside" interfaces are switched.The access control list is configured with an incorrect access list number.The access control list is missing a statement for the 10.94.6.0 network.Theip nat inside source list 1 interfacecommand is pointing to the wrong serial interface.

31. Refer to the exhibit. This serial interface is not functioning correctly. Based on the output shown, what is the most likely cause?improper LMI typeinterface resetPPP negotiation failureunplugged cable

32. What three statements describe the roles of devices in a WAN? (Choose three.)A CSU/DSU terminates a digital local loop.A modem terminates a digital local loop.A CSU/DSU terminates an analog local loop.A modem terminates an analog local loop.A router is commonly considered a DTE device.A router is commonly considered a DCE device.

33. When configuring remote access to a router, what is the significance of the no passwordcommand on a VTY line?Logins are prevented on that line.No password is required to log in to that line.The remote user is not allowed to change the password for that line.The remote user is prompted to change the line password after connecting to the router.

34..Refer to the exhibit. An administrator has added the exhibited commands to routers A and B, but no routing updates are exchanged between the two routers. Based on the information that is given, what is the likely cause of the problem?Router A is advertising the wrong network.The authentication key strings do not match.The serial interfaces of routers A and B are not on the same network.The authentication key numbers do not match the EIGRP process number for both routers.

35.Refer to the exhibit. The hosts in network A all have static addresses that are assigned in the 192.168.2.0./24 network. The hosts in network B are DHCP clients in the 192.168.1.0/24 network. After router R1 has been configured with the statements as shown in the exhibit, the DHCP clients are reporting that they cannot access any network resources. The hosts with static addresses cannot access any resources outside network A. What is the problem?The DHCP scope has the wrong address pool.The interfaces on R1 are incorrectly addressed.The assignable DCHP addresses are all excluded.The DCHP clients are receiving the wrong default router address.

36.Refer to the exhibit. Why are the routers unable to establish a PPP session?The usernames are misconfigured.The IP addresses are on different subnets.The clock rate is configured on the wrong end of the link.The CHAP passwords must be different on the two routers.Interface serial 0/0/0 on Router1 must connect to interface serial 0/0/1 on Router2.

37. A company uses a PVC with a committed information rate (CIR) of 128 kb/s and a committed burst information rate (CBIR) of 64 kb/s. The link is used to periodically send updates at a rate of 144 kb/s. What will happen to the update traffic?The traffic will be sent, but the company will be charged a penalty.The traffic will be sent using the additional CBIR and will be guaranteed delivery.The traffic will be dropped at the CO for exceeding the committed information rate.The traffic will be sent, but the burst traffic will be marked for discard if congestion is encountered.

38. Which statement is true about NCP?Link termination is the responsibility of NCP.Each network protocol has a corresponding NCP.NCP establishes the initial link between PPP devices.NCP tests the link to ensure that the link quality is sufficient.

39. Which three items are LCP options that can be configured for PPP? (Choose three.)CHAPStackerIPCPCDPCPMultilink

40. When configuring a Frame Relay connection, what is the purpose of Inverse ARP?to assign a DLCI to a remote peerto disable peer requests from determining local Layer 3 addressesto negotiate LMI encapsulations between local and remote Frame Relay peersto create a mapping of DLCI to Layer 3 addresses that belong to remote peers

41.Refer to the exhibit. What is another way to represent this IPv6 address?2031::130F::9C0::130B2031::130F::9C0:0:130B2031:0:130F::9C0::130B2031:0:130F::9C0:0:130B

42.Refer to the exhibit. Which statement is true about the configuration of R1?The remote session is encrypted.A password is sent in plain text.A connection that is using secure HTTP is enabled.A local username database is used for authentication.

43.Refer to the exhibit. To reach R2, and for configuring Frame Relay on the point-to-point interfaces shown in the graphic, which DLCI should be used in theframe-relay interface-dlcicommand that is issued on R1?100101200201