ccna discovery4.0 final 3rd module

Below you will find the assessment items as presented on the exam as well as the scoring rules associated with the item.

Use of the exam information in the Exam Viewer is subject to the terms of the Academy Connection Website Usage Agreement between youand Cisco. The purpose of the Exam Viewer is to support instruction while not compromising exam security for other Cisco NetworkingAcademies or students. This material should not be distributed outside a proctored and controlled setting. If misuse is found, action will betaken to limit access to assessment content. Please remember to logout and close your browser window after using the Exam Viewer.

Close Window

Assessment System

Exam Viewer - DRSEnt Final - CCNA Discovery: Introducing Routing and Switching in the Enterprise (Version4.0)

1

Refer to the exhibit. If router RTA fails, which statement is true?Hosts A and B can reach each other, but cannot reach hosts C and D or the server.No host can reach any other host.

Hosts A, B, C, and D can reach each other, but cannot reach the server.All hosts can reach each other.

Scoring Rule For: correctness of response

2 points for Option 10 points for any other option

Max Value = 2

This item references content from the following areas:

CCNA Discovery: Introducing Routing and Switching in the Enterprise

3.1.1 Switching and Network Segmentation 3.3.1 Virtual LAN 9.1.3 Troubleshooting and the Failure Domain

2 A sales representative is preparing to send sensitive information to corporate headquarters from a hotel room using the Internet. Prior tothe trip, the IT staff made the necessary provisions to allow secure Internet access. What solution was implemented for the salesrepresentative?

VPNFrame Relay

PPP with CHAP authenticationPPP with PAP authentication


of 14Cisco Networking Academy

5/9/2009mhtml:file://C:\Documents and Settings\mac\Desktop\cisco\disc\Cisco Networking Academ...


Max Value = 2



1.3.2 Virtual Private Networks3

Refer to the exhibit. Users on the 172.30.20.0/24 network are unable to access any of the servers located on the 192.168.0.0/23network. Given the network topology and OSPF configuration, what two problems exist in this network? (Choose two.)

There is a routing loop occurring between all three routers.There is a network statement missing.Network 172.30.20.0 has an incorrect wildcard mask.The OSPF area configuration is incorrect.

/23 is an invalid subnet mask for the 192.168.0.0 network.


Option 2 and Option 3 are correct.1 point for each correct option.0 points if more options are selected than required.

Max Value = 2



9.3.1 RIP Issues4



Refer to the exhibit. A network administrator must manually summarize all IP addresses on the POP router for the ISP. Which one is thecorrect summary address?

192.168.0.0/22192.168.0.0/23

192.168.0.0/24192.168.0.0/25



Max Value = 2



4.3.3 Calculating Route Summarization5

Refer to the exhibit. A network support technician has been asked to set an IP address on one of the FastEthernet interfaces on a newrouter. What is causing the interface to reject the address?

The IP address is already in use.The technician is using a network address.

The technician is using the wrong subnet mask for /26.The technician must enable VLSM on the interface.



Max Value = 2



9.1.4 Troubleshooting Process6 In which VTP mode can a switch create VLANs, ignore VTP messages, and not pass local VLAN information to other VTP domain

members?client

server



pruningtransparent



Max Value = 2



3.5.1 VLAN Trunking Protocol (VTP)7 What are two benefits of implementing VLANs in an enterprise network? (Choose two.)

eliminates the need for a Layer 3 deviceprovides segmentation of broadcast domainsallows for the propagation of broadcasts from one local network to anotherallows for the logical grouping of devices despite physical location

prevents issues such as broadcast storms by ensuring a loop free environment



Max Value = 2



3.3.1 Virtual LAN8

Refer to the exhibit. R1 and R2 are connected via serial interfaces. Both interfaces show that there is Layer 2 connectivity betweenthem. The administrator verifies that CDP is operational; however, pings between the two interfaces are unsuccessful. What is the causeof this connectivity problem?

no set loopbackincorrect subnet mask on R2incompatible bandwidthincorrect IP address on R1

incompatible encapsulation





Max Value = 2



4.2.5 Implementing VLSM Addressing9 What is a feature of PAP authentication?

It uses a three-way handshake with encryption.It sends the username/password pair across the link in clear text.It provides protection against playback attack through a variable challenge value.

It designates the called device to control the frequency and timing of the authentication.



Max Value = 2



7.2.4 PPP Authentication10

Refer to the exhibit. R3 is announcing all displayed internal networks as a summary address to R4. Which summary address will be mostspecific?

172.16.0.0/21

172.16.4.0/21172.16.0.0/22172.16.4.0/22



Max Value = 2



4.3.3 Calculating Route Summarization11 While using the Class A addressing scheme, a network administrator decides to use the 255.255.254.0 subnet mask in the network

configuration. How many host addresses can be created for each subnetwork in this addressing scheme?5105121022

1024


2 points for Option 1



0 points for any other option

Max Value = 2



4.2.1 Subnet Mask12 Why is UDP preferred for transmission of video traffic?

It is a reliable protocol.

It retransmits lost packets.It is a three-way handshake protocol.It has low overhead.



Max Value = 2



1.2.3 Network Traffic Prioritization13 Which component of the Cisco Enterprise Architecture manages server farms?

service provider edgeenterprise campusenterprise edge

edge device



Max Value = 2



1.1.2 Traffic Flow in the Enterprise Network14 What are two features of a standard IP ACL? (Choose two.)

It permits or denies access based on the entire protocol.

It filters the packet based on the source IP address only.It uses identification numbers between 100 and 199.It can filter traffic based on port number.It can only filter inbound traffic on an interface.



Max Value = 2



8.1.3 Types and Usage of ACLs15 Which function does the access layer provide in a hierarchical internetworking model?

It provides a high-speed backbone layer between geographically dispersed networks.



It provides hierarchical design between the core layer and the distribution layer.It provides an entry point for hosts into the network.It provides data security and traffic management for the core layer.



Max Value = 2



1.1.2 Traffic Flow in the Enterprise Network16 What are two characteristics of EIGRP? (Choose two.)

It supports a maximum hop count of 15.It sends small hello packets to maintain knowledge of its neighbors.It forwards complete routing tables in its updates to neighboring routers.

It supports equal and unequal cost load balancing.It supports only one network layer protocol.



Max Value = 2



5.3.2 Enhanced Interior Gateway Routing Protocol (EIGRP)17

Refer to the exhibit. The administrator applies ACL 101 outbound on the Fa0/1 interface of R1 as displayed. How will this ACL affect thetraffic at R1?

All traffic that exits the Fa0/1 interface will be denied.All FTP traffic from the 192.168.2.0 network will be denied.All traffic except FTP will be allowed to exit the Fa0/1 interface.

All traffic except FTP will be allowed from the 192.168.1.0 network.



Max Value = 2



8.1.4 ACL Processing18



Refer to the exhibit. What are two possible procedures that would ensure that R1 would always be the DR for OSPF area 0? (Choosetwo.)

Set the router ID of R2 to 10.0.0.1.Set the Loopback0 IP address of R3 to 192.168.1.253.Set the FastEthernet0/0 IP address of R1 to 192.168.1.1.

Set the router ID of R1 to the highest IP address in the network.Set the OSPF priority to 0 on the R3 FastEthernet0/0 interface.Set the OSPF priority to 255 on the R1 FastEthernet0/0 interface.



Max Value = 2



6.1.3 OSPF Neighbors and Adjacencies19

Refer to the exhibit. Which IP address can be used at the Fa0/0 interface of R1 to enable host A to access the Internet?192.168.1.65/27192.168.1.32/27192.168.1.63/27

192.168.1.61/27



Max Value = 2





4.2.5 Implementing VLSM Addressing20

Refer to the exhibit. R1 is configured for inter-VLAN communication as displayed. PC1 is able to ping PC2 but unable to ping PC3. Whatis the cause of this problem?

PC3 and the FastEthernet0/0 interface of R1 are not on the same subnet.Fa0/1 is configured for access mode.Fa0/4 must be configured as a trunk.PC1 and the switch are not on the same subnet.



Max Value = 2



9.2.2 Troubleshooting VLAN Configuration Issues21

Refer to the exhibit. A router has learned the six routes that are shown in the exhibit. Which two routes will be installed in the routingtable? (Choose two.)

1

2345

6





Max Value = 2



6.3.4 Using Multiple Protocols in the Enterprise22

Refer to the exhibit. Using the command ip route 192.168.1.0 255.255.255.0 10.1.1.2 150, the network administrator configures a newroute. Which statement describes how the router will use the new route?

The new route will be ignored and will never be added to the routing table.The new route will be added to the routing table and will be the primary route to the 192.168.1.0/24 network.

The previously existing dynamic route will be replaced with the new static route.The new route will be displayed in the routing table if the dynamic routing information for this route is lost.



Max Value = 2



5.1.4 Configuring Static Routes23 Which route will be excluded from the updates that are sent to the neighbor routers?

R 192.168.1.0/24 [120/1] via 192.168.100.1, 00:00:12, FastEthernet0/1R 192.168.2.0/24 [120/15] via 192.168.101.1, 00:00:12, FastEthernet0/0R 192.168.3.0/24 [120/2] via 192.168.101.1, 00:00:12, FastEthernet0/0R 192.168.4.0/24 [120/7] via 192.168.101.1, 00:00:12, FastEthernet0/0



Max Value = 2



5.2.4 Problems with RIP24



Refer to the exhibit. Which set of letters would appear at the beginning of the displayed routing table entries?1=R, 2=O, 3=D, 4=C1=R, 2=E, 3=O, 4=S1=R, 2=D, 3=O, 4=S

1=O, 2=R, 3=D, 4=C1=R, 2=O, 3=E, 4=C



Max Value = 2



5.3.2 Enhanced Interior Gateway Routing Protocol (EIGRP)25

Refer to the exhibit. What are two consequences of issuing the displayed commands? (Choose two.)The routing update information is protected against being falsified.The routing table of R2 will be secured.The key is encrypted with the MD5 hashing algorithm.OSPF routes will get priority over EIGRP routes going into the routing table.

The overhead of OSPF information exchange will reduce.



Max Value = 2



6.2.2 Configuring OSPF Authentication26



Refer to the exhibit. How many routers have established OSPF adjacencies with R1?245

7



Max Value = 2



6.2.4 Verifying OSPF Operation27

Refer to the exhibit. R1 and R2 are connected to each other through their serial0/0/0 interfaces, but are unable to establish OSPFadjacency. What are two reasons for this? (Choose two.)

The router IDs of the two routers do not match.The process IDs of the two routers do not match.



The Hello and Dead timers of the routers do not match.The OSPF backbone area is configured on both routers.The serial interfaces of the two routers are in different subnets.



Max Value = 2



6.2.4 Verifying OSPF Operation28

Refer to the exhibit. The network administrator has configured R1, R2, and R3 to use RIPv2, and the network is fully converged. Thehosts on the internal network are able to access R2, but they are unable to access the Internet.

How can the administrator solve this problem?Configure a default route on R3 and propagate it via the use of RIPv2 to all routers.Configure a default route on R2 and propagate it via RIPv2 to routers R1 and R3.Configure a default route on the ISP, and it will be automatically propagated to all routers.Configure a default route on R1, and it will be automatically propagated to all routers.



Max Value = 2



9.3.4 Route Redistribution Issues29 Which routing protocol is unable to support discontiguous networks?

RIPv1RIPv2EIGRP



OSPF



Max Value = 2



5.2.2 Routing Information Protocol (RIP)30

Refer to the exhibit. The network administrator configured the routers using the displayed commands. What is the reason the EIGRPnetwork fails to converge?

The network commands have been incorrectly issued on both routers.Both routers have been configured with the same autonomous number.

The wildcard masks have been incorrectly configured on both routers.Autosummarization is enabled on both routers.



Max Value = 2



5.4.1 Configuring EIGRP

Reset View

Showing 1 of 2 Prev Page: 1 Next

Close Window

All contents copyright ©2001-2008 Cisco Systems, Inc. All rights reserved. Privacy Statement and Trademarks.



ccna discovery4.0 final 3rd module

Documents

network statement

network segmentation

network topology

network administrator

cisco networking academy

exam information

correct option

correctness of response