ccna 1+2+3+4 v5

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CCNA 1 v5.0 R&S ITN Final Exam 2014 1 Refer to the exhibit. The network administrator enters these commands into the R1 router: R1# copy running-config tftp Address or name of remote host [ ]? When the router prompts for an address or remote host name, what IP address should the administrator enter at the prompt? 192.168.9.254 192.168.10.1 192.168.10.2 192.168.11.254 192.168.11.252

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CCNA 1 v5.0 R&S ITN Final Exam 20141Refer to the exhibit.

The network administrator enters these commands into the R1 router:R1# copy running-config tftpAddress or name of remote host [ ]?When the router prompts for an address or remote host name, what IP address should the administrator enter at the prompt?192.168.9.254192.168.10.1192.168.10.2192.168.11.254192.168.11.2522 Which three statements characterize the transport layer protocols? (Choose three.)TCP uses port numbers to provide reliable transportation of IP packets.TCP and UDP port numbers are used by application layer protocols.TCP uses windowing and sequencing to provide reliable transfer of data.TCP is a connection-oriented protocol. UDP is a connectionless protocol.UDP uses windowing and acknowledgments for reliable transfer of data.3 What is the purpose of ICMP messages?to inform routers about network topology changesto ensure the delivery of an IP packetto monitor the process of a domain name to IP address resolutionto provide feedback of IP packet transmissions4 A technician uses the ping 127.0.0.1 command. What is the technician testing?connectivity between a PC and the default gatewayconnectivity between two adjacent Cisco devicesphysical connectivity of a particular PC and the networkthe TCP/IP stack on a network hostconnectivity between two PCs on the same network5 What will a Layer 2 switch do when the destination MAC address of a received frame is not in the MAC table?It notifies the sending host that the frame cannot be delivered.It initiates an ARP request.It forwards the frame out of all ports except for the port at which the frame was received.It broadcasts the frame out of all ports on the switch.6 What is a characteristic of the LLC sublayer?It places information in the frame that allows multiple Layer 3 protocols to use the same network interface and media.It provides delimitation of data according to the physical signaling requirements of the medium.It defines software processes that provide services to the physical layer.It provides the logical addressing required that identifies the device.7On which switch interface would an administrator configure an IP address so that the switch can be managed remotely?VLAN 1console 0vty 0FastEthernet0/18A network engineer is measuring the transfer of bits across the company backbone for a mission critical database application. The engineer notices that the network throughput appears lower than the bandwidth expected. Which three factors could influence the differences in throughput? (Choose three.)the reliability of the gigabit Ethernet infrastructure of the backbonethe amount of traffic that is currently crossing the networkthe type of traffic that is crossing the networkthe sophistication of the encapsulation method applied to the datathe bandwidth of the WAN connection to the Internetthe latency that is created by the number of network devices that the data is crossing9When applied to a router, which command would help mitigate brute-force password attacks against the router?service password-encryptionlogin block-for 60 attempts 5 within 60banner motd $Max failed logins = 5$exec-timeout 3010Which two statements correctly describe a router memory type and its contents? (Choose two.)ROM is nonvolatile and contains basic diagnostic software.FLASH is nonvolatile and contains a limited portion of the IOS.ROM is nonvolatile and stores the running IOS.RAM is volatile and stores the IP routing table.NVRAM is nonvolatile and stores other system files.11Which two components are necessary for a wireless client to be installed on a WLAN? (Choose two.)custom adapterwireless bridgemediawireless NICcrossover cablewireless client software12Launch PT -Hide and Save PT

Open the PT activity. Perform the tasks in the activity instructions and then fill in the blank.The Server0 message is . winner 13A host is accessing a Web server on a remote network. Which three functions are performed by intermediary network devices during this conversation? (Choose three.)applying security settings to control the flow of datanotifying other devices when errors occurregenerating data signalsacting as a client or a serverserving as the source or destination of the messagesproviding a channel over which messages travel14

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16Which address on a PC does not change, even if the PC is moved to a different network?IP addresslogical addressMAC addressdefault gateway address17What will happen if the default gateway address is incorrectly configured on a host?A ping from the host to 127.0.0.1 would not be successful.The host will have to use ARP to determine the correct address of the default gateway.The host cannot communicate with other hosts in the local network.The host cannot communicate with hosts in other networks.The switch will not forward packets initiated by the host.18A host PC has just booted and is attempting to lease an address through DHCP. Which two messages will the client typically broadcast on the network? (Choose two.)DHCPREQUESTDHCPOFFERDHCPDISCOVERDHCPNACKDHCPACK19

Refer to the exhibit. An administrator wants to change the name of a brand new switch, using the hostname command as shown. What prompt will display after the command is issued?Switch#My(config)#My Switch(config)#Switch(config)#MySwitch(config)#20After making configuration changes, a network administrator issues a copy running-config startup-config command in a Cisco switch. What is the result of issuing this command?The configuration changes will be removed and the original configuration will be restored.The new configuration will be stored in flash memory.The current IOS file will be replaced with the newly configured file.The new configuration will be loaded if the switch is restarted.21

Refer to the exhibit.A TCP segment from a server has been captured by Wireshark, which is running on a host. What acknowledgement number will the host return for the TCP segment that has been received?292125023062122Which technology provides a solution to IPv4 address depletion by allowing multiple devices to share one public IP address?ARPDNSSMBDHCPHTTPNAT 23 What is the purpose of the routing process?to encapsulate data that is used to communicate across a networkto select the paths that are used to direct traffic to destination networksto convert a URL name into an IP addressto provide secure Internet file transferto forward traffic on the basis of MAC addresses 24 Three bank employees are using the corporate network. The first employee uses a web browser to view a company web page in order to read some announcements. The second employee accesses the corporate database to perform some financial transactions. The third employee participates in an important live audio conference with other corporate managers in branch offices. If QoS is implemented on this network, what will be the priorities from highest to lowest of the different data types?audio conference, financial transactions, web pagefinancial transactions, audio conference, web pageaudio conference, web page, financial transactionsfinancial transactions, web page, audio conference25A home user is looking for an ISP connection that provides high speed digital transmission over regular phone lines. What ISP connection type should be used?cell modemdial-upcable modemsatelliteDSL26Which connection provides a secure CLI session with encryption to a Cisco switch?a Telnet connectionan SSH connectiona console connectionan AUX connection27 What is the purpose of the network security accounting function?to provide challenge and response questionsto require users to prove who they areto determine which resources a user can accessto keep track of the actions of a user28

Refer to the exhibit. A network administrator is configuring access control to switch SW1. If the administrator uses Telnet to connect to the switch, which password is needed to access user EXEC mode?lineconinlinevtyinletmeinsecretin29Which publicly available resources describe protocols, processes, and technologies for the Internet but do not give implementation details?IEEE standardsRequest for CommentsIRTF research papersprotocol models 30 A PC is configured to obtain an IP address automatically from network 192.168.1.0/24. The network administrator issues the arp a command and notices an entry of 192.168.1.255 ff-ff-ff-ff-ff-ff. Which statement describes this entry?This entry refers to the PC itself.This entry maps to the default gateway.This is a static map entry.This is a dynamic map entry.31 Which subnet would include the address 192.168.1.96 as a usable host address?192.168.1.64/26192.168.1.32/28192.168.1.32/27192.168.1.64/2932A particular website does not appear to be responding on a Windows 7 computer. What command could the technician use to show any cached DNS entries for this web page?ipconfig /allipconfig /displaydnsarp -anslookup33 Which type of wireless security generates dynamic encryption keys each time a client associates with an AP?WPAPSKWEPEAP34A frame is transmitted from one networking device to another. Why does the receiving device check the FCS field in the frame?to compare the interface media type between the sending and receiving endsto determine the physical address of the sending deviceto verify that the frame destination matches the MAC address of the receiving deviceto check the frame for possible transmission errorsto verify the network layer protocol information35

Refer to the exhibit. Which IP addressing scheme should be changed?Site 1Site 3Site 4Site 236What is the effect of configuring the ipv6 unicast-routing command on a router?to assign the router to the all-nodes multicast groupto permit only unicast packets on the routerto enable the router as an IPv6 routerto prevent the router from joining the all-routers multicast group37Which three IP addresses are private ? (Choose three.)10.1.1.1172.16.4.4224.6.6.6192.168.5.5172.32.5.2192.167.10.1038

Refer to the exhibit. Consider the IP address configuration shown from PC1. What is a description of the default gateway address?It is the IP address of the Router1 interface that connects the company to the Internet.It is the IP address of the ISP network device located in the cloud.It is the IP address of Switch1 that connects PC1 to other devices on the same LAN.It is the IP address of the Router1 interface that connects the PC1 LAN to Router1.39 During normal operation, from which location do most Cisco switches and routers run the IOS?flashRAMNVRAMdisk drive40What is an important function of the physical layer of the OSI model?It encodes frames into electrical, optical, or radio wave signals.It accepts frames from the physical media.It encapsulates upper layer data into frames.It defines the media access method performed by the hardware interface.41Which procedure is used to reduce the effect of crosstalk in copper cables?wrapping the bundle of wires with metallic shieldingavoiding sharp bends during installationrequiring proper grounding connectionsdesigning a cable infrastructure to avoid crosstalk interferencetwisting opposing circuit wire pairs together42What are the three primary functions provided by Layer 2 data encapsulation? (Choose three.)placement and removal of frames from the mediadetection of errors through CRC calculationsconversion of bits into data signalsdelimiting groups of bits into framesdata link layer addressingerror correction through a collision detection methodsession control using port numbers43What method is used to manage contention-based access on a wireless network?token passingCSMA/CDCSMA/CApriority ordering44What happens when part of an Internet radio transmission is not delivered to the destination?A delivery failure message is sent to the source host.The part of the radio transmission that was lost is re-sent.The transmission continues without the missing portion.The entire transmission is re-sent.45What is the auto-MDIX feature on a switch?the automatic configuration of full-duplex operation over a single Ethernet copper or optical cablethe automatic configuration of an interface for a straight-through or a crossover Ethernet cable connectionthe ability to turn a switch interface on or off accordingly if an active connection is detectedthe automatic configuration of an interface for 10/100/1000 Mb/s operation46Which function is provided by TCP?detection of missing packetscommunication session controlpath determination for data packetsdata encapsulation47How does a Layer 3 switch differ from a Layer 2 switch?A Layer 3 switch learns the MAC addresses that are associated with each of its ports. However, a Layer 2 switch does not.A Layer 3 switch maintains an IP address table instead of a MAC address table.A Layer 3 switch supports VLANs, but a Layer 2 switch does not.An IP address can be assigned to a physical port of a Layer 3 switch. However, this is not supported in Layer 2 switches.48Which two notations are useable nibble boundaries when subnetting in IPv6? (Choose two.)/68/62/66/64/7049What is the purpose of having a converged network?to reduce the cost of deploying and maintaining the communication infrastructureto provide high speed connectivity to all end devicesto make sure that all types of data packets will be treated equallyto achieve fault tolerance and high availability of data network infrastructure devices50

Refer to the exhibit. A ping to PC3 is issued from PC0, PC1, and PC2 in this exact order. Which MAC addresses will be contained in the S1 MAC address table that is associated with the Fa0/1 port?just the PC0 MAC addressPC0, PC1, and PC2 MAC addressesjust the PC2 MAC addressjust PC0 and PC1 MAC addressesjust the PC1 MAC address51Which field in an IPv4 packet header will typically stay the same during its transmission?Packet LengthDestinationAddressFlagTime-to-Live52What two preconfigured settings that affect security are found on most new wireless routers? (Choose two.)MAC filtering enableddefault administrator passwordWEP encryption enabledPSK authentication requiredbroadcast SSID53Which parameter does the router use to choose the path to the destination when there are multiple routes available?the higher metric value that is associated with the destination networkthe lower metric value that is associated with the destination networkthe higher gateway IP address to get to the destination networkthe lower gateway IP address to get to the destination network54

Refer to the exhibit. What is the significance of the asterisk (*) in the exhibited output?An asterisk designates that the file system has at least one file that uses that file system.Theasterisk designates which file system is the default file system.An asterisk indicates that the file system is bootable.The asterisk shows which file system was used to boot the system.55

56Fill in the blank.During data communications, a host may need to send a single message to a specific group of destination hosts simultaneously. This message is in the form of a multicast message.57An administrator uses the Ctrl-Shift-6 key combination on a switch after issuing the ping command. What is the purpose of using these keystrokes?to interrupt the pingprocessto restart the ping processto allow the user to complete the commandto exit to a different configuration mode58

Refer to the exhibit. Which area would most likely be an extranet for the company network that is shown?area Aarea Darea Carea B59

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61In which default order will a router search for startup configuration information?setup mode, NVRAM, TFTPNVRAM, TFTP, setup modeNVRAM, RAM, TFTPTFTP, ROM, NVRAMflash, ROM, setup mode62

Launch PT -Hide and Save PTOpen the PT Activity. Perform the tasks in the activity instructions and then answer the question.Which IPv6 address is assigned to the Serial0/0/0 interface on RT2?2001:db8:abc:1::12001:db8:abc:5::12001:db8:abc:5::22001:db8:abc:10::1563What is contained in the trailer of a data-link frame?physical addressdataerror detection*logical address64

CCNA 2 v5.0 R&SEssentialsFinal Exam 20141.What are two features of a link-state routing protocol? (Choose two.)The database information for each router is obtained from the same source.Routers send triggered updates in response to a change.Routers create a topology of the network by using information from other routers.Paths are chosen based on the lowest number of hops to the designated router.Routers send periodic updates only to neighboring routers.2.Fill in the blank.In IPv6, all routes are level 1 ultimateroutes.3.Which switching method drops frames that fail the FCS check?ingress port bufferingcut-through switchingstore-and-forward switchingborderless switching4.Which summary IPv6 static route statement can be configured to summarize only the routes to networks 2001:db8:cafe::/58 through 2001:db8:cafe:c0::/58?ipv6 route 2001:db8:cafe::/54 S0/0/0ipv6 route 2001:db8:cafe::/60 S0/0/0ipv6 route 2001:db8:cafe::/62 S0/0/0ipv6 route 2001:db8:cafe::/56 S0/0/05.

13426.When a Cisco switch receives untagged frames on a 802.1Q trunk port, which VLAN ID is the traffic switched to by default?data VLAN IDnative VLAN IDunused VLAN IDmanagement VLAN ID7.A college marketing department has a networked storage device that uses the IP address 10.18.7.5, TCP port 443 for encryption, and UDP port 4365 for video streaming. The college already uses PAT on the router that connects to the Internet. The router interface has the public IP address of 209.165.200.225/30. The IP NAT pool currently uses the IP addresses ranging from 209.165.200.228-236. Which configuration would the network administrator add to allow this device to be accessed by the marketing personnel from home?ip nat pool mktv 10.18.7.5 10.18.7.5ip nat inside source static tcp 10.18.7.5 443 209.165.200.225 443ip nat inside source static udp 10.18.7.5 4365 209.165.200.225 4365ip nat inside source static tcp 209.165.200.225 443 10.18.7.5 443ip nat inside source static udp 209.165.200.225 4365 10.18.7.5 4365No additional configuration is necessary.ip nat outside source static 10.18.7.5 209.165.200.2258.Which statement describes a route that has been learned dynamically?It is automatically updated and maintained by routing protocols.It is unaffected by changes in the topology of the network.It has an administrative distance of 1.It is identified by the prefix C in the routing table.9.A network administrator is explaining to a junior colleague the use of the lt and gt keywords when filtering packets using an extended ACL. Where would the lt or gt keywords be used?in an IPv6 extended ACL that stops packets going to one specific destination VLANin an IPv4 extended ACL that allows packets from a range of TCP ports destined for a specific network devicein an IPv4 named standard ACL that has specific UDP protocols that are allowed to be used on a specific serverin an IPv6 named ACL that permits FTP traffic from one particular LAN getting to another LAN10

Refer to the exhibit. How did the router obtain the last route that is shown?The ip address interface configuration mode command was used in addition to the network routing protocol configuration mode command.The ipv6 route command was used.the ip route command was used.Another router in the same organization provided the default route by using a dynamic routing protocol.11Refer to the exhibit. A Layer 3 switch routes for three VLANs and connects to a router for Internet connectivity. Which two configurations would be applied to the switch? (Choose two.)(config)# interface gigabitethernet 1/1(config-if)# no switchport(config-if)# ip address 192.168.1.2 255.255.255.252(config)# interface vlan 1(config-if)# ip address 192.168.1.2 255.255.255.0(config-if)# no shutdown(config)# interface gigabitethernet1/1(config-if)# switchport mode trunk(config)# interface fastethernet0/4(config-if)# switchport mode trunk(config)# ip routing12.A network contains multiple VLANs spanning multiple switches. What happens when a device in VLAN 20 sends a broadcast Ethernet frame?Only devices in VLAN 20 see the frame.Devices in VLAN 20 and the management VLAN see the frame.Only devices that are connected to the local switch see the frame.All devices in all VLANs see the frame.13the correct answer of question 13 is1- Each router learns about its own directly connected networks.2- Each router is responsible for saying hello to its neighbors on directly connected networks.3- Each router builds a Link-State Packet (LSP) containing the state of each directly connected link4- Each router floods the LSP to all neighbors, who then store all LSPs received in a database5- Each router uses the database to construct a complete map of the topology and computes the best14.Which two packet filters could a network administrator use on an IPv4 extended ACL? (Choose two.)computer typesource TCP hello addressICMP message typedestination UDP port numberdestination MAC address15

Refer to the exhibit. R1 was configured with the static route command ip route 209.165.200.224 255.255.255.224 S0/0/0 and consequently users on network 172.16.0.0/16 are unable to reach resources on the Internet. How should this static route be changed to allow user traffic from the LAN to reach the Internet?Add an administrative distance of 254.Change the destination network and mask to 0.0.0.0 0.0.0.0Change the exit interface to S0/0/1.Add the next-hop neighbor address of 209.165.200.226.16.How is the router ID for an OSPFv3 router determined?the highest IPv6 address on an active interfacethe highest EUI-64 ID on an active interfacethe highest IPv4 address on an active interfacethe lowest MAC address on an active interface17.Two employees in the Sales department work different shifts with their laptop computers and share the same Ethernet port in the office. Which set of commands would allow only these two laptops to use the Ethernet port and create violation log entry without shutting down the port if a violation occurs?switchport mode accessswitchport port-securityswitchport mode accessswitchport port-securityswitchport port-security maximum 2switchport port-security mac-address stickyswitchport port-security violation restrictswitchport mode accessswitchport port-security maximum 2switchport port-security mac-address stickyswitchport mode accessswitchport port-security maximum 2switchport port-security mac-address stickyswitchport port-security violation protect18.Which two factors are important when deciding which interior gateway routing protocol to use? (Choose two.)speed of convergencescalabilityISP selectionthe autonomous system that is usedcampus backbone architecture19

ultimate routechild routedefault routelevel 1 parent route20.What caused the following error message to appear?01:11:12: %PM-4-ERR_DISABLE: psecure-violation error detected on Fa0/8, putting Fa0/8 in err-disable state01:11:12: %PORT_SECURITY-2-PSECURE_VIOLATION: Security violation occurred, caused by MAC address 0011.a0d4.12a0 on port FastEthernet0/8.01:11:13: %LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/8, changed state to down01:11:14: %LINK-3-UPDOWN: Interface FastEthernet0/8, changed state to downAn unauthorized user tried to telnet to the switch through switch port Fa0/8.NAT was enabled on a router, and a private IP address arrived on switch port Fa0/8.Port security was enabled on the switch port, and an unauthorized connection was made on switch port Fa0/8.Another switch was connected to this switch port with the wrong cable.A host with an invalid IP address was connected to a switch port that was previously unused.21.Which two statements are characteristics of routed ports on a multilayer switch? (Choose two.)In a switched network, they are mostly configured between switches at the core and distribution layers.They support subinterfaces, like interfaces on the Cisco IOS routers.The interface vlan command has to be entered to create a VLAN on routed ports.They are used for point-to-multipoint links.They are not associated with a particular VLAN.22.A network administrator is adding ACLs to a new IPv6 multirouter environment. Which IPv6 ACE is automatically added implicitly at the end of an ACL so that two adjacent routers can discover each other?permit ip any host ip_addresspermit icmp any any nd-napermit ip any anydeny ip any any23

24.What does the cost of an OSPF link indicate?A lower cost indicates a better path to the destination than a higher cost does.Cost equals bandwidth.A higher cost for an OSPF link indicates a faster path to the destination.Link cost indicates a proportion of the accumulated value of the route to the destination.25Refer to the exhibit. The Gigabit interfaces on both routers have been configured with subinterface numbers that match the VLAN numbers connected to them. PCs on VLAN 10 should be able to print to the P1 printer on VLAN 12. PCs on VLAN 20 should print to the printers on VLAN 22. What interface and in what direction should you place a standard ACL that allows printing to P1 from data VLAN 10, but stops the PCs on VLAN 20 from using the P1 printer? (Choose two.)outboundR2 S0/0/1R1 S0/0/0inboundR1 Gi0/1.12R2 Gi0/1.2026.On a switch that is configured with multiple VLANs, which command will remove only VLAN 100 from the switch?Switch(config)# no vlan 100Switch(config-if)# no switchport access vlan 100Switch(config-if)# no switchport trunk allowed vlan 100Switch# delete flash:vlan.dat27.A router needs to be configured to route within OSPF area 0. Which two commands are required to accomplish this? (Choose two.)RouterA(config-router)# network 192.168.2.0 255.255.255.0 0RouterA(config-router)# network 192.168.2.0 0.0.0.255 0RouterA(config)# router ospf 1RouterA(config-router)# network 192.168.2.0 0.0.0.255 area 0RouterA(config)# router ospf 028.What is a function of the distribution layer?interconnection of large-scale networks in wiring closetsnetwork access to the userfault isolationhigh-speed backbone connectivity29.A small-sized company has 20 workstations and 2 servers. The company has been assigned a group of IPv4 addresses 209.165.200.224/29 from its ISP. What technology should the company implement in order to allow the workstations to access the services over the Internet?static NATdynamic NATport address translationDHCP30.Which three requirements are necessary for two OSPFv2 routers to form an adjacency? (Choose three.)The link interface subnet masks must match.The two routers must include the inter-router link network in an OSPFv2 network command.The OSPFv2 process ID must be the same on each router.The OSPF hello or dead timers on each router must match.The OSPFv2 process is enabled on the interface by entering the ospf process area-id command.The link interface on each router must be configured with a link-local address.31.Which three pieces of information does a link-state routing protocol use initially as link-state information for locally connected links? (Choose three.)the cost of that linkthe type of network linkthe link bandwidththe link next-hop IP addressthe link router interface IP address and subnet mask32.What is a disadvantage of NAT?The internal hosts have to use a single public IPv4 address for external communication.There is no end-to-end addressing.The costs of readdressing hosts can be significant for a publicly addressed network.The router does not need to alter the checksum of the IPv4 packets.33

Refer to the exhibit. The partial configuration that is shown was used to configure router on a stick for VLANS 10, 30, and 50. However, testing shows that there are some connectivity problems between the VLANs. Which configuration error is causing this problem?There is no IP address configured for the FastEthernet 0/0 interface.A configuration for the native VLAN is missing.The wrong VLAN has been configured on subinterface Fa0/0.50.The VLAN IP addresses should belong to the same subnet.34Refer to the exhibit. R1 has been configured as shown. However, PC1 is not able to receive an IPv4 address. What is the problem?R1 is not configured as a DHCPv4 server.A DHCP server must be installed on the same LAN as the host that is receiving the IP address.The ip address dhcp command was not issued on the interface Gi0/1.The ip helper-address command was applied on the wrong interface.35.What best describes the operation of distance vector routing protocols?They use hop count as their only metric.They send their routing tables to directly connected neighbors.They flood the entire network with routing updates.They only send out updates when a new network is added.36.A network administrator is using the router-on-a-stick method to configure inter-VLAN routing. Switch port Gi1/1 is used to connect to the router. Which command should be entered to prepare this port for the task?Switch(config)# interface gigabitethernet 1/1Switch(config-if)# spanning-tree vlan 1Switch(config)# interface gigabitethernet 1/1Switch(config-if)# spanning-tree portfastSwitch(config)# interface gigabitethernet 1/1Switch(config-if)# switchport mode trunkSwitch(config)# interface gigabitethernet 1/1Switch(config-if)# switchport access vlan 137.Which three advantages are provided by static routing? (Choose three.)The path a static route uses to send data is known.No intervention is required to maintain changing route information.Static routing does not advertise over the network, thus providing better security.Static routing typically uses less network bandwidth and fewer CPU operations than dynamic routing does.Configuration of static routes is error-free.Static routes scale well as the network grows.38.When configuring a switch to use SSH for virtual terminal connections, what is the purpose of the crypto key generate rsa command?show active SSH ports on the switchdisconnect SSH connected hostscreate a public and private key pairshow SSH connected hostsaccess the SSH database configuration39.Which information does a switch use to populate the MAC address table?the destination MAC address and the outgoing portthe source MAC address and the incoming portthe source and destination MAC addresses and the incoming portthe source MAC address and the outgoing portthe source and destination MAC addresses and the outgoing portthe destination MAC address and the incoming port40Refer to the exhibit. A network administrator is configuring a router as a DHCPv6 server. The administrator issues a show ipv6 dhcp pool command to verify the configuration. Which statement explains the reason that the number of active clients is 0?The IPv6 DHCP pool configuration has no IPv6 address range specified.The state is not maintained by the DHCPv6 server under stateless DHCPv6 operation.The default gateway address is not provided in the pool.No clients have communicated with the DHCPv6 server yet.41.Open the PT Activity. Perform the tasks in the activity instructions and then answer the question.What is the problem preventing PC0 and PC1 from communicating with PC2 and PC3?The routers are using different OSPF process IDs.The serial interfaces of the routers are in different subnets.No router ID has been configured on the routers.The gigabit interfaces are passive.42Which command will create a static route on R2 in order to reach PC B?R1(config)# ip route 172.16.2.0 255.255.255.0 172.16.2.254R1(config)# ip route 172.16.2.0 255.255.255.0 172.16.3.1R1(config)# ip route 172.16.2.1 255.255.255.0 172.16.3.1R1(config)# ip route 172.16.3.0 255.255.255.0 172.16.2.25443.Which problem is evident if the show ip interface command shows that the interface is down and the line protocol is down?The no shutdown command has not been issued on the interface.There is an IP address conflict with the configured address on the interface.A cable has not been attached to the port.An encapsulation mismatch has occurred.44.Which three values or sets of values are included when creating an extended access control list entry? (Choose three.)access list number between 100 and 199source subnet mask and wildcard maskdefault gateway address and wildcard masksource address and wildcard maskdestination subnet mask and wildcard maskaccess list number between 1 and 99destination address and wildcard mask45.A network administrator is designing an ACL. The networks 192.168.1.0/25, 192.168.0.0/25, 192.168.0.128/25, 192.168.1.128/26, and 192.168.1.192/26 are affected by the ACL. Which wildcard mask, if any, is the most efficient to use when specifying all of these networks in a single ACL permit entry?0.0.0.1270.0.0.2550.0.1.2550.0.255.255A single ACL command and wildcard mask should not be used to specify these particular networks or other traffic will be permitted or denied and present a security risk.46.Which kind of message is sent by a DHCP client when its IP address lease has expired?a DHCPREQUEST unicast messagea DHCPREQUEST broadcast messagea DHCPDISCOVER broadcast messagea DHCPDISCOVER unicast message47.What happens immediately after two OSPF routers have exchanged hello packets and have formed a neighbor adjacency?They request more information about their databases.They negotiate the election process if they are on a multiaccess network.They exchange DBD packets in order to advertise parameters such as hello and dead intervals.They exchange abbreviated lists of their LSDBs48.What benefit does NAT64 provide?It allows sites to use private IPv4 addresses, and thus hides the internal addressing structure from hosts on public IPv4 networks.It allows sites to connect multiple IPv4 hosts to the Internet via the use of a single public IPv4 address.It allows sites to connect IPv6 hosts to an IPv4 network by translating the IPv6 addresses to IPv4 addresses.It allows sites to use private IPv6 addresses and translates them to global IPv6 addresses.49.What is the purpose of setting the native VLAN separate from data VLANs?The native VLAN is for routers and switches to exchange their management information, so it should be different from data VLANs.A separate VLAN should be used to carry uncommon untagged frames to avoid bandwidth contention on data VLANs.The native VLAN is for carrying VLAN management traffic only.The security of management frames that are carried in the native VLAN can be enhanced50.Which command, when issued in the interface configuration mode of a router, enables the interface to acquire an IPv4 address automatically from an ISP, when that link to the ISP is enabled?ip helper-addressip address dhcpip dhcp poolservice dhcp51.Which statement is correct about IPv6 routing?IPv6 routing is enabled by default on Cisco routers.IPv6 routes appear in the same routing table as IPv4 routes.IPv6 uses the link-local address of neighbors as the next-hop address for dynamic routes.IPv6 only supports the OSPF and EIGRP routing protocols52.A router has used the OSPF protocol to learn a route to the 172.16.32.0/19 network. Which command will implement a backup floating static route to this network?ip route 172.16.32.0 255.255.0.0 S0/0/0 100ip route 172.16.32.0 255.255.224.0 S0/0/0 200ip route 172.16.0.0 255.255.240.0 S0/0/0 200ip route 172.16.0.0 255.255.224.0 S0/0/0 10053Refer to the exhibit. How many broadcast and collision domains exist in the topology?5 broadcast domains and 11 collision domains10 broadcast domains and 5 collision domains16 broadcast domains and 11 collision domains5 broadcast domains and 10 collision domains54.Which two commands can be used to verify the content and placement of access control lists? (Choose two.)show processesshow cdp neighborshow access-listsshow ip routeshow running-config55.Which type of traffic would most likely have problems when passing through a NAT device?IPsecDNSTelnetHTTPICMP56.Open the PT Activity. Perform the tasks in the activity instructions and then answer the question.Which keyword is displayed on the web browser?NAT works!Goodjob!Welldone!NAT configured!57

Refer to the exhibit.What summary static address would be configured on R1 to advertise to R3?192.168.0.0/24192.168.0.0/23192.168.0.0/22192.168.0.0/2158Fill in the blank.Static routes are configured by the use of the ip route global configuration command.CCNA 3 R&S: Scaling Networks Final Exam Answers 20141

Refer to the exhibit. A network administrator is attempting to upgrade the IOS system image on a Cisco 2901 router. After the new image has been downloaded and copied to the TFTP server, what command should be issued on the router before the IOS system image is upgraded on the router?ping 10.10.10.1dir flash:ping 10.10.10.2*copy tftp: flash0:2

Fill in the blank.The backbone area interconnects with all other OSPF area types.3Which address is used by an IPv6 EIGRP router as the source for hello messages?the interface IPv6 link-local address*the 32-bit router IDthe all-EIGRP-routers multicast addressthe IPv6 global unicast address that is configured on the interface4

Refer to the exhibit. A network administrator issues the show ipv6 eigrp neighbors command. Which conclusion can be drawn based on the output?The link-local addresses of neighbor routers interfaces are configured manually.*If R1 does not receive a hello packet from the neighbor with the link-local address FE80::5 in 2 seconds, it will declare the neighbor router is down.R1 has two neighbors. They connect to R1 through their S0/0/0 and S0/0/1 interfaces.The neighbor with the link-local address FE80::5 is the first EIGRP neighbor that is learned by R1.5

Refer to the exhibit. Which two conclusions can be derived from the output? (Choose two.)The network 192.168.10.8/30 can be reached through 192.168.11.1.The reported distance to network 192.168.1.0/24 is 41024256.Router R1 has two successors to the 172.16.3.0/24 network.There is one feasible successor to network 192.168.1.8/30.*The neighbor 172.16.6.1 meets the feasibility condition to reach the 192.168.1.0/24 network.*6

Refer to the exhibit. An administrator attempts to configure EIGRP for IPv6 on a router and receives the error message that is shown. Which command must be issued by the administrator before EIGRP for IPv6 can be configured?eigrp router-id 100.100.100.100no shutdownipv6 eigrp 100ipv6 cefipv6 unicast-routing*7What two conditions have to be met in order to form a cluster that includes 5 access points? (Choose two.)The APs must use different cluster names.The APs must all be configured to use different radio modes.At least two controllers are needed to form the cluster.The APs have to be connected on the same network segment.*Clustering mode must be enabled on the APs.*8Which technological factor determines the impact of a failure domain?the forwarding rate of the switches used on the access layerthe number of layers of the hierarchical networkthe role of the malfunctioning device*the number of users on the access layer9Which mode configuration setting would allow formation of an EtherChannel link between switches SW1 and SW2 without sending negotiation traffic?SW1: desirableSW2: desirableSW1: passiveSW2: activeSW1: onSW2: on*SW1: autoSW2: autotrunking enabled on both switchesSW1: autoSW2: autoPortFast enabled on both switches10In a large enterprise network, which two functions are performed by routers at the distribution layer? (Choose two.)provide Power over Ethernet to devicesprovide a high-speed network backboneconnect remote networks*connect users to the networkprovide data traffic security*11A network engineer is implementing security on all company routers. Which two commands must be issued to force authentication via the password 1C34dE for all OSPF-enabled interfaces in the backbone area of the company network? (Choose two.)area 0 authentication message-digest*ip ospf message-digest-key 1 md5 1C34dE*username OSPF password 1C34dEenable password 1C34dEarea 1 authentication message-digest12When does an OSPF router become an ABR?when the router is configured as an ABR by the network administratorwhen the router has interfaces in different areas*when the router has an OSPF priority of 0when the router has the highest router ID13Which characteristic would most influence a network design engineer to select a multilayer switch over a Layer 2 switch?ability to have multiple forwarding paths through the switched network based on VLAN number(s)ability to aggregate multiple ports for maximum data throughputability to build a routing table*ability to provide power to directly-attached devices and the switch itself14A network designer is considering whether to implement a switch block on the company network. What is the primary advantage of deploying a switch block?A single core router provides all the routing between VLANs.This is network application software that prevents the failure of a single network device.The failure of a switch block will not impact all end users.*This is a security feature that is available on all new Catalyst switches.15A network administrator enters thespanning-tree portfast bpduguard defaultcommand. What is the result of this command being issued on a Cisco switch?Any switch port will be error-disabled if it receives a BPDU.Any switch port that has been configured with PortFast will be error-disabled if it receives a BPDU.*Any trunk ports will be allowed to connect to the network immediately, rather than waiting to converge.Any switch port that receives a BPDU will ignore the BPDU message.16What are two differences between the Cisco IOS 12 and IOS 15 versions? (Choose two.)Every Cisco ISR G2 platform router includes a universal image in the IOS 12 versions, but not the IOS 15 versions.The IOS version 15 license key is unique to each device, whereas the IOS version 12 license key is not device specific.*The IOS 12 version has two trains that occur simultaneously, whereas the IOS 15 version still has two trains, but the versions occur in a single sequential order.The IOS 12 version has commands that are not available in the 15 version.IOS version 12.4(20)T1 is a mainline release, whereas IOS version 15.1(1)T1 is a new feature release.*17

Refer to the exhibit. What are two results of issuing the displayed commands on S1, S2, and S3? (Choose two.)S3 can be elected as a secondary bridge.S2 can become root bridge if S3 fails.S1 will automatically adjust the priority to be the lowest.*S2 can become root bridge if S1 fails.*S1 will automatically adjust the priority to be the highest.18A remote classroom can successfully access video-intensive streaming lectures via wired computers. However, when an 802.11n wireless access point is installed and used with 25 wireless laptops to access the same lectures, poor audio and video quality is experienced. Which wireless solution would improve the performance for the laptops?Upgrade the access point to one that can route.Decrease the power of the wireless transmitter.Adjust the wireless NICs in the laptops to operate at 10GHz to be compatible with 802.11n.Add another access point.*19A network engineer is troubleshooting a single-area OSPFv3 implementation across routers R1, R2, and R3. During the verification of the implementation, it is noted that the routing tables on R1 and R2 do not include the entry for a remote LAN on R3. Examination of R3 shows the following:that all interfaces have correct addressingthat the routing process has been globally configuredthat correct router adjacencies have formedWhat additional action taken on R3 could solve the problem?Force DR/BDR elections to occur where required.Use the network command to configure the LAN network under the global routing process.Enable the OSPFv3 routing process on the interface connected to the remote LAN.*Restart the OPSFv3 routing process.20When should EIGRP automatic summarization be turned off?when a network addressing scheme uses VLSMwhen a router has more than three active interfaceswhen a network contains discontiguous network addresses*when a router has less than five active interfaceswhen a router has not discovered a neighbor within three minutes21When will a router that is running EIGRP put a destination network in the active state?when the EIGRP domain is convergedwhen there is outgoing traffic toward the destination networkwhen the connection to the successor of the destination network fails and there is no feasible successor available*when there is an EIGRP message from the successor of the destination network22Which action should be taken when planning for redundancy on a hierarchical network design?add alternate physical paths for data to traverse the networkcontinually purchase backup equipment for the network*immediately replace a non-functioning module, service or device on a networkimplement STP portfast between the switches on the network23Fill in the blank. Use the acronym.Which encryption protocol is used by the WPA2 shared key authentication technique? AES24

Refer to the exhibit. When the show ip ospf neighbor command is given from the R1# prompt, no output is shown. However, when the show ip interface brief command is given, all interfaces are showing up and up. What is the most likely problem?R1 has not sent a default route down to R2 by using the default-information originate command.R2 has not brought the S0/0/1 interface up yet.R1 or R2 does not have a network statement for the 172.16.100.0 network.*The ISP has not configured a static route for the ABC Company yet.R1 or R2 does not have a loopback interface that is configured yet.25

Refer to the exhibit. If router B is to be configured for EIGRP AS 100, which configuration must be entered?B(config-router)# network 192.168.10.4 0.0.0.3B(config-router)# network 192.168.10.8 0.0.0.3B(config-router)# network 192.168.10.64 0.0.0.63B(config-router)# network 192.168.10.128 0.0.0.63B(config-router)# network 192.168.10.192 0.0.0.63B(config-router)# network 192.168.10.4 255.255.255.248B(config-router)# network 192.168.10.8 255.255.255.248B(config-router)#network 192.168.10.128 255.255.255.192B(config-router)# network 192.168.10.0 255.255.255.0B(config-router)# network 192.168.10.0 0.0.0.255B(config-router)# network 192.168.10.4 0.0.0.3B(config-router)# network 192.168.10.8 0.0.0.3B(config-router)#network 192.168.10.128 0.0.0.63*B(config-router)# network 192.168.10.4 0.0.0.3B(config-router)# network 192.168.10.8 0.0.0.326

Refer to the exhibit. A network technician is troubleshooting missing OSPFv3 routes on a router. What is the cause of the problem based on the command output?The local router has formed complete neighbor adjacencies, but must be in a 2WAY state for the router databases to be fully synchronized.The neighbor IDs are incorrect. The interfaces must use only IPv6 addresses to ensure fully synchronized routing databases.The dead time must be higher than 30 for all routers to form neighbor adjacencies.There is a problem with the OSPFv3 adjacency between the local router and the router that is using the neighbor ID 2.2.2.2.*27

Refer to the exhibit. Which two conclusions can be drawn from the output? (Choose two.)The bundle is fully operational.The port channel is a Layer 3 channel.The EtherChannel is down.*The port channel ID is 2.*The load-balancing method used is source port to destination port.28

Refer to the exhibit. Based on the command output shown, what is the status of the EtherChannel?The EtherChannel is dynamic and is using ports Fa0/10 and Fa0/11 as passive ports.The EtherChannel is in use and functional as indicated by the SU and P flags in the command output.*The EtherChannel is down as evidenced by the protocol field being empty.The EtherChannel is partially functional as indicated by the P flags for the FastEthernet ports.29A network engineer is configuring a LAN with a redundant first hop to make better use of the available network resources. Which protocol should the engineer implement?FHRPVRRPGLBP*HSRP30Users on an IEEE 801.11n network are complaining of slow speeds. The network administrator checks the AP and verifies it is operating properly. What can be done to improve the wireless performance in the network?Split the wireless traffic between the 802.11n 2.4 GHz band and the 5 GHz band.*Set the AP to mixed mode.Change the authentication method on the AP.Switch to an 802.11g AP.31A network administrator is troubleshooting slow performance in a Layer 2 switched network. Upon examining the IP header, the administrator notices that the TTL value is not decreasing. Why is the TTL value not decreasing?This is the normal behavior for a Layer 2 network.*The VLAN database is corrupt.The MAC address table is full.The inbound interface is set for half duplex.32What is a wireless modulation technique used by 802.11 WLAN standards that can implement MIMO?FHSSOFDM*BSSDSSS33Which technology is an open protocol standard that allows switches to automatically bundle physical ports into a single logical link?Multilink PPPPAgPDTPLACP*34A set of switches is being connected in a LAN topology. Which STP bridge priority value will make it least likely for the switch to be selected as the root?3276840966553561440*35Which wireless network topology is being configured by a technician who is installing a keyboard, a mouse, and headphones, each of which uses Bluetooth?ad hoc mode*hotspotmixed modeinfrastructure mode36

Refer to the exhibit. Which route or routes will be advertised to the router ISP if autosummarization is enabled?10.0.0.0/8*10.1.0.0/1610.1.0.0/2810.1.1.0/2410.1.2.0/2410.1.3.0/2410.1.4.0/2837When are EIGRP update packets sent?only when necessary*every 30 seconds via broadcastevery 5 seconds via multicastwhen learned routes age out38Which requirement should be checked before a network administrator performs an IOS image upgrade on a router?The old IOS image file has been deleted.The FTP server is operational.There is sufficient space in flash memory.*The desired IOS image file has been downloaded to the router.39What method of wireless authentication is dependent on a RADIUS authentication server?WPA PersonalWEPWPA2 Enterprise*WPA2 Personal40A network administrator wants to verify the default delay values for the interfaces on an EIGRP-enabled router. Which command will display these values?show running-configshow interfaces*show ip protocolsshow ip route41A network administrator in a branch office is configuring EIGRP authentication between the branch office router and the headquarters office router. Which security credential is needed for the authentication process?a randomly generated key with the crypto key generate rsa commanda common key configured with the key-string command inside a key chain*the username and password configured on the headquarters office routerthe hostname of the headquarters office router and a common password42

Refer to the exhibit. Interface FastEthernet 0/1 on S1 is connected to Interface FastEthernet 0/1 on S2, and Interface FastEthernet 0/2 on S1 is connected to Interface FastEthernet 0/2 on S2. What are two errors in the present EtherChannel configurations? (Choose two.)Desirable mode is not compatible with on mode.The trunk mode is not allowed for EtherChannel bundles.Two auto modes cannot form a bundle.*The channel group is inconsistent.*The interface port channel ID should be different in both switches.43Which port role is assigned to the switch port that has the lowest cost to reach the root bridge?disabled portroot port*designated portnon-designated port44What are two features of OSPF interarea route summarization? (Choose two.)ASBRs perform all OSPF summarization.Routes within an area are summarized by the ABR.*Route summarization results in high network traffic and router overhead.ABRs advertise the summarized routes into the backbone.*Type 3 and type 5 LSAs are used to propagate summarized routes.45Launch PT Hide and Save PTOpen the PT Activity. Perform the tasks in the activity instructions and then answer the question.Which message was displayed on the web server?Work done!Congratulations!Wonderful work!Youve made it!*46

Refer to the exhibit. What two pieces of information could be determined by a network administrator from this output? (Choose two.)The metric that will be installed in the routing table for the 10.0.0.0 route will be 65 (64+1).Interface Fa0/1 is not participating in the OSPF process.R1 is the distribution point for the routers that are attached to the 10.0.0.4 network.R1 is participating in multiarea OSPF.*The OSPF process number that is being used is 0.47

RouterA# -> copy flash0:tftp:Source Filename? -> C1900-universalk9-m.SPA.152-4.M3.binAddress or name of remote host ->2001:DB8:CAFE:100::948A network administrator has configured an EtherChannel between two switches that are connected via four trunk links. If the physical interface for one of the trunk links changes to a down state, what happens to the EtherChannel?Spanning Tree Protocol will recalculate the remaining trunk links.The EtherChannel will remain functional.The EtherChannel will transition to a down state.*Spanning Tree Protocol will transition the failed physical interface into forwarding mode.49

Refer to the exhibit. Which destination MAC address is used when frames are sent from the workstation to the default gateway?MAC addresses of both the forwarding and standby routersMAC address of the standby routerMAC address of the virtual router*MAC address of the forwarding router50

Refer to the exhibit. A company has migrated from single area OSPF to multiarea. However, none of the users from network 192.168.1.0/24 in the new area can be reached by anyone in the Branch1 office. From the output in the exhibit, what is the problem?There are no interarea routes in the routing table for network 192.168.1.0.*The OSPF routing process is inactive.The router has not established any adjacencies with other OSPF routers.The link to the new area is down.51What are two requirements when using out-of-band configuration of a Cisco IOS network device? (Choose two.)Telnet or SSH access to the devicea connection to an operational network interface on the devicea direct connection to the console or AUX port*a terminal emulation client*HTTP access to the device52For troubleshooting missing EIGRP routes on a router, what three types of information can be collected using the show ip protocols command? (Choose three.)any interfaces on the router that are configured as passive*any ACLs that are affecting the EIGRP routing process*any interfaces that are enabled for EIGRP authenticationnetworks that are unadvertised by the EIGRP routing protocol*the local interface that is used to establish an adjacency with EIGRP neighborsthe IP addresses that are configured on adjacent routers53What are two requirements to be able to configure an EtherChannel between two switches? (Choose two.)All the interfaces need to work at the same speed.*All interfaces need to be assigned to different VLANs.The interfaces that are involved need to be contiguous on the switch.All the interfaces need to be working in the same duplex mode.*Different allowed ranges of VLANs must exist on each end.54

This type of LSA exists in multi-access & non-broadcast multi-access networks w/DR => TYPE 2 LSAThis type of LSA describes routes to networks outside of the OSPF AS => TYPE 5 LSAThis type of LSA is flooded only within the area which it originated => TYPE 1 LSAThis type of LSA is used by ABR to advertise networks from other areas => TYPE 3 LSA55At a local college, students are allowed to connect to the wireless network without using a password. Which mode is the access point using?networkshared-keyopen*passive56What are three access layer switch features that are considered when designing a network? (Choose three.)broadcast traffic containmentforwarding rate***failover capabilityPower over Ethernet***speed of convergenceport density***57

Refer to the exhibit. What can be concluded about network 192.168.1.0 in the R2 routing table?This network has been learned from an internal router within the same area.This network was learned through summary LSAs from an ABR.*This network is directly connected to the interface GigabitEthernet0/0.This network should be used to forward traffic toward external networks.58Which two statements are correct about EIGRP acknowledgment packets? (Choose two.)The packets are sent as unicast.*The packets are unreliable.*The packets are used to discover neighbors that are connected on an interface.The packets require confirmation.The packets are sent in response to hello packets.59An STP instance has failed and frames are flooding the network. What action should be taken by the network administrator?Broadcast traffic should be investigated and eliminated from the network.Spanning tree should be disabled for that STP instance until the problem is located.Redundant links should be physically removed until the STP instance is repaired.*A response from the network administrator is not required because the TTL field will eventually stop the frames from flooding the network.60A network administrator issues the commandR1(config)# license boot module c1900 technology-package securityk9on a router. What is the effect of this command?The IOS will prompt the user to provide a UDI in order to activate the license.The IOS will prompt the user to reboot the router.The features in the Security package are available immediately.The Evaluation Right-To-Use license for the Security technology package is activated.*61A router has been removed from the network for maintenance. A new Cisco IOS software image has been successfully downloaded to a server and copied into the flash of the router. What should be done before placing the router back into service?Delete the previous version of the Cisco IOS software from flash.Copy the running configuration to NVRAM.Back up the new image.Restart the router and verify that the new image starts successfully.*62What are the two methods that are used by a wireless NIC to discover an AP? (Choose two.)receiving a broadcast beacon frame*delivering a broadcast frametransmitting a probe request*sending an ARP requestinitiating a three-way handshak63

Refer to the exhibit. Why did R1 and R2 not establish ad adjacency?The link-local address must be the same on both routers.The AS number must be the same on R1 and R2.*R1 S0/0/0 and R2 S0/0/0 are on different networks.The no shutdown command is misapplied on both routers.The router ID must be the same on both routers.64

feasible distance to 192.168.11.64 => 660110new successor to network 192.168.1.0 => 192.168.3.1destination network => 192.168.11.64

CCNA 4 Final Exam Connecting Networks (Version 5.0)1 Why is it useful categorize networks by size when discussing network design?Knowing the number of connected devices will define how many additional layers will be added to the three-tier hierarchical network design.Knowing the number of connected devices will define how many multilayer switches will be necessary at the core layer.A high-level redundancy at the access layer may be better implemented if the number of connected devices is know.The complexity of networking infrastructure will vary according to the number of connected devices.*2 Which two statements are true regarding a PPP connection between two Cisco routers? (Choose two.)Only a single NCP is allowed between the two routers.NCP terminates the link when data exchange is complete.With CHAP authentication, the routers exchange plain text passwords.LCP tests the quality of the link.*LCP manages compression on the link.*3 What is a disadvantage of a packet-switched network compared to a circuit-switched network?fixed capacityhigher latency*less flexibilityhigher cost4 Which statement describes a characteristic of dense wavelength division multiplexing (DWDM)?it assigns incoming electrical signals to specific frequencies.it can be used in long-range communications, like connections between ISPs.*it enables bidirectional communications over one pair of copper cables.it supports the SONET standard, but not the SDH standard.5

Refer to the exhibit. A network administrator is troubleshooting the OSPF network. The 10.10.0.0/16 network is not showing up in the routing table of Router1. What is the probable cause of this problem?The OSPF process is configured incorrectly on Router1.There is an incorrect wildcard mask statement for network 10.10.0.0/16 on Router2.*The OSPF process is not running on Router2.The serial interface on Router2 is down.6 The security policy in a company specifies that the staff in the sales department must use a VPN to connect to the corporate network to access the sales data when they travel to meet customers. What component is needed by the sales staff to establish a remote VPN connection?VPN applianceVPN concentratorVPN client software*VPN gateway7 A network administrator is troubleshooting the dynamic NAT that is configured on router R2. Which command can the administrator use to see the total number of active NAT translations and the number of addresses that are allocated from the NAT pool?R2# show ip nat translationsR2# clear ip nat translationR2# show running-configR2# show ip nat statistics*8 Which three parts of a Frame Relay Layer 2 PDU are used for congestion control? (Choose three.)the FECN bit*the BECN bit*the C/R bitthe 10-bit DLCIthe Extended Address fieldthe DE bit*9 Which two statements correctly describe asymmetric encryption used with an IPsec VPN? (Choose two.)The same encryption keys must be manually configured on each device.Public key encryption is a type of asymmetric encryption.*Encryption and decryption use a different key.*A shared secret key is used to perform encryption and descryption.AES is an example of an asymmetric encryption protocol.10 Which WAN technology can serve as the underlying network to carry multiple types of network traffic such as IP, ATM, Ethernet, and DSL?MPLS*ISDNEthernet WANFrame Relay11 Drag and droop

Place the options in the following order:PAP Characteristicsuses two-way handshakesingle challengeweak authenticationclear text passwordsCHAP Characteristicsuses three-way handshakerepeated challengesstrong authenticationencrypted passwords12 Which command can be used to check the information about congestion on a Frame Relay link?show frame-relay lmishow interfacesshow frame-relay pvc*show frame-relay map13 Which two statements describe remote access VPNs? (Choose two.)Client software is usually required to be able to access the network.*Remote access VPNs are used to connect entire networks, such as a branch office to headquarters.Remote access VPNs support the needs of telecommuters and mobile users.*A leased line is required to implement remote access VPNs.End users are not aware that VPNs exists.14

Refer to the exhibit. Which three steps are required to configure Multilik PPP on the HQ router? (Choose three.)Bind the multilink bundle to the Fast Ethernet interface.Enable PPP encapsulation on the multilink interface.Assign the serial interfaces to the multilink bundle.*Create and configure the multilink interface.*Assign the Fast Ethernet interface to the multilink bundleEnable PPP encapsulation on the serial interfaces.*15 What are two examples of network problems that are found at the data link layer? (Choose two.)incorrect interface clock rateslate collisions and jabberframing errors*electromagnetic interfaceencapsulation errors*16 What is the protocol that provides ISPs the ability to send PPP frames over DSL networks?CHAPADSLPPPoE*LTE17 What is required for a host to use an SSL VPN to connect to a remote network device?The host must be connected to wired network.A site-to-site VPN must be preconfigured.A web browser must be installed on the host.*VPN client software must be installed.18

Refer to the exhibit. A network administrator has implemented the configuration in the displayed output. What is missing from the configuration that would be preventing OSPF routing updates from passing to the Frame Relay service provider?The command to disable split horizon has not been issued.The passive-interface command has not been issued on interface serial 0/1/0The directly connected neighbor should have been identified by using static mapping.The broadcast keyword has not been issued.*19

Refer to the exhibit. An administrator is configuring NAT to provide Internet access to the inside network. After the configurtation is completed, users are unable to access the internet. What is the cause of the problem?The inside and outside interfaces are backwards.The ACL is referencing the wrong network address.The NAT inside source command is referring to the wrong ACL.*The NAT pool is using an invalid address range.20 A company connects to one ISP via multiple connections. What is the name given to this type of connection?multihomedsingle-homeddual-multihomeddual-homed*21

Refer to the exhibit. On the basis of the output, which two statements about network connectivity are correct? (Choose two.)There is connectivity between this device and the device at 192.168.100.1.*The average transmission time between the two hosts is 2 miliseconds.This host does not have a default gateway configured.The connectivity between these two hosts allows for videoconferencing calls.There are 4 hops between this device and the device at 192.168.100.1.*22 A network administrator is configuring a PPP link with the commands:R1(config-if)# encapsulation pppR1(config-if)# ppp quality 70What is the effect of these commands?The NCP will send a message to the sending device if the link usage reaches 70 percent.The PPP link will be closed down if the link quality drops below 70 percent.*The LCP establishment phase will not start until the bandwidth reaches 70 percent or more.The PPP link will not be established if more than 30 percent of options cannot be accepted.23 Which IEEE standard defines the WiMax technology?802.5802.11802.16*802.324 Which three flows associated with consumer applications are supported by NetFlow collectors? (Choose three.)accounting*network monitoring*error correctionbandwidth regulationquality of servicebilling*25

Refer to the exhibit. What kind of NAT is being configured on R1?NAT overloaddynamic NATport forwarding*PAT26

Place the options in the following order:Outside global- not scored -Outside localInside global- not scored -Inside local27 What is the default location for Cisco routers and switches to send critical logging events?syslog servervirtual terminalconsole port*auxiliary port28 In the data gathering process, which type of device will listen for traffic, but only gather traffic statistics?SNMP agentNetFlow collector*syslog serverNMS29 What is a characteristic of Frame Relay that allows customer data transmissions to dynamically burst over their CIR for short periods of time?The combination of LMI status messages and Inverse ARP messages enables the CIR to be exceeded.The physical circuits of the Frame Relay network are shared between subscribers and there may be times when unused bandwidth is available.*BECN and FECN messages notify the router that the CIR can be exceeded.Bursting is enabled by the configuration of multiple subinterfaces on one physical interface.30 Which SNMP message type informs the network management system (NMS) immediately of certain specified events?GET responseSET requestGET requestTrap*31 Which statement is a characteristic of SNMP MIBs?The SNMP agent uses the SNMP manager to access information within the MIB.The MIB structure for a given device includes only variables that are specific to that device or vendor.The MIB organizes variables in a flat manner.The NMS must have access to the MIB in order for SNMP to operate properly.*32 What benefit does NAT64 provide?It allows sites to connect IPv6 hosts to an IPv4 network by translating the IPv6 addresses to IPv4 addresses.*It allows sites to connect multiple IPv4 hosts to the Internet via the use of a single public IPv4 address.It allows sites to use private IPv4 addresses, and thus hides the internal addressing structure form hosts on public IPv4 networks.It allows sites to use private IPv6 addresses and translates them to global IPv6 addresses.33 What is the expected behavior of an ADSL service?The user can select the upload and download rates based on need.The download and upload rates are the same.The upload rate is faster than the download rate.The download rate is faster than the upload rate.*34 The DLCI number assigned to a Frame Relay circuit is to be manually added on a point-to-point link. Which three subinterface commands could be used to complete the configuration? (Choose three.)frame-relay map ip ip-address dlciframe-relay map ip ip-address dlci broadcastno shutdownip address ip-address mask*encapsulation farme-relaybandwidth kilobits*frame-relay interface dlci dlci*35 A group of Windows PCs in a new subnet has been added to an Ethernet network. When testing the connectivity, a technician finds that these PCs can access local network resources but not the Internet resources. To troubleshoot the problem, the technician wants to initially confirm the IP address and DNS configurations on the PCs, and also verify connectivity to the local router. Which three Windows CLI commands and utilities will provide the necesary information? (Choose three.)tracerttelnetping*netsh interface ipv6 show neighbornslookup*arp -aipconfig*36

Refer to the exhibit. Router R1 was configured by a network administrator to use SNMP version 2. The following commands were issued:R1(config)# snmp-server community batonaug ro SNMP_ACLR1(config)# snmp-server contact Wayne WorldR1(config)# snmp-server host 192.168.1.3 version 2c batonaugR1(config)# ip access-list standard SNMP_ACLR1(config-std-nacl)# permit 192.168.10.3Why is the administrator not able to get any information from R1?The snmp-server community command needs to include the rw keyword.The snmp-server location command is missing.There is a problem with the ACL configuration.*The snmp-server enable traps command is missing.37 Which broadband technology would be best for a small office that requires fast upstream connections?DSLCablefiber-to-the-home*WiMax38

Refer to the exhibit. The inside local IP address of PC-A is 192.168.0.200. What will be the inside global address of packets from PC-A after they are translated by R1?192.168.0.1172.16.0.1209.165.200.225*10.0.0.1192.168.0.20039 What is a type of VPN that is generally transparent to the end user?remote accesspublicsite-to-site*private40 Which two statements about DSL are true? (Choose two.)user connections are aggregated at a DSLAM located at the CO*uses RF signal transmissionusers are on a shared mediumlocal loop can be up to 3.5 miles (5.5km)*physical and data link layers are defined by DOCSIS41

Refer to the exhibit. Which three events will occur as a result of the configuration shown on R1? (Choose three.)Only traffic that originates from the GigabitEthernet 0/1 interface will be monitored.*Messages that are sent to the syslog server will be limited to levels 3 or lower.*Messages that are sent to the syslog server will use 192.168.1.5 as the destination IP address.*The syslog messages will contain the IP address the GigabitEthernet 0/1 interface.Messages that are sent to the syslog server will be limited to levels 3 and higher.For multiple occurrences of the same error, only the first three messages will be sent to the server.42 Which two characteristics describe time-division multiplexing? (Choose two.)Traffic is allocated bandwidth across a single wire based on preassigned time slots.*Bandwidth is allocated to channels based on whether a station has data to transmit.Encoding technology provides high data throughput in a minimum RF spectrum by supporting parallel data transmission.Data capacity across a single link increases as bits from multiple sources are transmitted using interleaved slices of time.*Depending on the configured layer 2 protocol, data is transmitted across two or more channels via the use of time slots.43 Which two specialized troubleshooting tools can monitor the amount of traffic that passes through a switch? (Choose two.)TDRDTX cable analyzerNAM*digital multimeterportable network analyzer*44 Which circumstance would result in an enterprise deciding to implement a corporate WAN?when its employees become distributed across many branch locations*when the enterprise decides to secure its corporate LANwhen the network will span multiple buildingswhen the number of employees exceeds the capacity of the LAN45 Which algorithm is considered insecure for use in IPsec encryption?RSA3DES*SHA-1AES46 What is one advantage to designing networks in bulding block fashion for large companies?fewer required physical resourcesincreased network access timecoarse security controlfailure isolation*47 Which two technologies are implemented by organizations to support teleworker remote connections? (Choose two.)CMTSVPN*CDMAIPsec*DOCSIS48 A branch office uses a leased line to connect to the corporate network. The lead network engineer confirms connectivity between users in the branch office, but none of the users can access corporate headquarters. System logs indicate that nothing has changed in the branch office network. What should the engineer consider next to resolve this network outage?The network technician for the branch office should troubleshoot the switched infrastructure.The server administrator in the branch office should reconfigured the DHCP server.The service provider for the branch office should troubleshoot the issue starting from the point of demarcation.*The system administartor in the branch office should reconfigure the default gateway on the user PCs.49

Refer to the exhibit. Which IP address is configured on the physical interface of the CORP router?10.1.1.1209.165.202.13410.1.1.2209.165.202.133*50 How many 64 kb/s voice channels are combined to produce a T1 line?83224*1651 Which network module maintains the resources that employees, partners, and customers rely on to effectively create, colaborate, and interact with information?servicesaccess-distributiondata-center*enterprise edge52 Which broadband solution is appropriate for a home user who needs a wired connection not limited by distance?ADSLcable*DSLWiMax53 A network administrator is asked to design a system to allow simultaneous access to the Internet for 250 users. The ISP can only supply five public IP addresses for this network. What technology can the administrator use to accomplish this task?classless interdomain routingvariable length subnet masksclassful subnettingport-based Network Address Translation*54 What is the purpose of a message hash in a VPN connection?It ensures that the data is coming from the correct source.It ensures that the data cannot be duplicated and replayed to the destination.It ensures that the data has not changed while in transit.*It ensures that the data cannot be read in plain text.55 Which type of traffic would most likely have problems when passing through a NAT device?DNSTelnetHTTPICMPIPsec*56 Users are reporting longer delays in authentication and in accessing network resources during certain time periods of the week. What kind of information should network engineers check to find out if this situation is part of a normal network behavior?network configuration filessyslog records and messagesdebug output and packet capturesthe network performance baseline*57 What are three benefits of using Frame Relay for WAN connectivity? (Choose three.)mature technology*QoS support using the IP precedence fieldintegrated encryptionone physical interface that can be used for several circuits*reasonable cost*seamless direct connectivity to an Ethernet LAN58 What type of information is collected by Cisco NetFlow?interface errorstraffic statistics*memory usageCPU usage59 Which technology requires the use of PPPoE to provide PPP connections to customers?dialup ISDN modemT1DSL*dialup analog modem60 Under which two categories of WAN connections does Frame Relay fit? (Choose two.)packet-switched*private infrastructure*public infrastructureInternetdedicated61 What are three characteristics of the generic routing encapsulation (GRE) protocol? (Choose three.)GRE tunnels support multicast traffic.*GRE creates additional overload for packets that are traveling through the VPN.*GRE uses AES for encryption unless otherwise specifiedBy default, GRE does not include any flow control mechanisms.*Developed by the IETF, GRE is a secure tunneling protocol that was designed for Cisco routers.GRE provides encapsulation for a single protocol type that is traveling through the VPN.62 An intercity bus company wants to offer constat Internet connectivity to the users traveling on the buses. Which two types of WAN infrastructure would meet the requirements? (Choose two.)cellular*dedicatedprivate infrastructurecircuit-switchedpublic infrastructure*63 What is used as the default event logging destination for Cisco routers and switches?syslog serverterminal lineworkstationconsole line*