Ccna Discovery4.0 Final 3rd Module

Cisco Networking Academy

Page 1 of 14

Close Window

Assessment System Exam Viewer - DRSEnt Final - CCNA Discovery: Introducing Routing and Switching in the Enterprise (Version 4.0)

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 you and Cisco. The purpose of the Exam Viewer is to support instruction while not compromising exam security for other Cisco Networking Academies or students. This material should not be distributed outside a proctored and controlled setting. If misuse is found, action will be taken to limit access to assessment content. Please remember to logout and close your browser window after using the Exam Viewer. 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 1 0 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 A sales representative is preparing to send sensitive information to corporate headquarters from a hotel room using the Internet. Prior to the trip, the IT staff made the necessary provisions to allow secure Internet access. What solution was implemented for the sales representative? VPN   

2

Frame Relay PPP with CHAP authentication PPP with PAP authentication Scoring Rule For:  correctness of response

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

Cisco Networking Academy

Page 2 of 14

2 points for Option 1 0 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 

1.3.2 Virtual Private Networks

3

Refer to the exhibit. Users on the 172.30.20.0/24 network are unable to access any of the servers located on the 192.168.0.0/23 network. 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. Scoring Rule For:  correctness of response 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

This item references content from the following areas: CCNA Discovery: Introducing Routing and Switching in the Enterprise 

9.3.1 RIP Issues

4

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

Cisco Networking Academy

Page 3 of 14

Refer to the exhibit. A network administrator must manually summarize all IP addresses on the POP router for the ISP. Which one is the correct summary address? 192.168.0.0/22 192.168.0.0/23 192.168.0.0/24 192.168.0.0/25 Scoring Rule For:  correctness of response 2 points for Option 1 0 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 

4.3.3 Calculating Route Summarization

5

Refer to the exhibit. A network support technician has been asked to set an IP address on one of the FastEthernet interfaces on a new router. 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. Scoring Rule For:  correctness of response 2 points for Option 2 0 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

6

 9.1.4 Troubleshooting Process 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

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

Cisco Networking Academy

Page 4 of 14

pruning transparent Scoring Rule For:  correctness of response 2 points for Option 4 0 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

7

 3.5.1 VLAN Trunking Protocol (VTP) What are two benefits of implementing VLANs in an enterprise network? (Choose two.) eliminates the need for a Layer 3 device

provides segmentation of broadcast domains allows for the propagation of broadcasts from one local network to another allows for the logical grouping of devices despite physical location prevents issues such as broadcast storms by ensuring a loop free environment Scoring Rule For:  correctness of response Option 2 and Option 4 are correct. 1 point for each correct option. 0 points if more options are selected than required. Max Value = 2

This item references content from the following areas: CCNA Discovery: Introducing Routing and Switching in the Enterprise 

3.3.1 Virtual LAN

8

Refer to the exhibit. R1 and R2 are connected via serial interfaces. Both interfaces show that there is Layer 2 connectivity between them. The administrator verifies that CDP is operational; however, pings between the two interfaces are unsuccessful. What is the cause of this connectivity problem? no set loopback incorrect subnet mask on R2 incompatible bandwidth incorrect IP address on R1 incompatible encapsulation Scoring Rule For:  correctness of response 2 points for Option 2 0 points for any other option

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

Cisco Networking Academy

Page 5 of 14

Max Value = 2

This item references content from the following areas: CCNA Discovery: Introducing Routing and Switching in the Enterprise  4.2.5 Implementing VLSM Addressing If an authentication protocol is configured for PPP operation, when is the client or user workstation authenticated? prior to link establishment

9

during the link establishment phase before the network layer protocol configuration begins after the network layer protocol configuration has ended Scoring Rule For:  correctness of response 2 points for Option 3 0 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 

7.2.4 PPP Authentication

10

Refer to the exhibit. If R4 is announcing all shown internal networks as a summary address to the ISP, which summary address will be most specific? 192.168.1.0/22 192.168.4.0/21 192.168.6.0/23 192.168.8.0/21 192.168.4.0/22 Scoring Rule For:  correctness of response 2 points for Option 4 0 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

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

Cisco Networking Academy

Page 6 of 14

 4.3.3 Calculating Route Summarization 11 A company is using a Class B IP addressing scheme and expects to need as many as 150 networks. What is the correct subnet mask to use with the network configuration? 255.255.0.0

255.255.240.0 255.255.254.0 255.255.255.0 255.255.255.128 255.255.255.192 Scoring Rule For:  correctness of response 2 points for Option 4 0 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  4.1.2 Hierarchical Network Addressing 12 A sales representative is using a wireless connection to make a VoIP call. Which protocol will be used to transport the voice packets? TCP

UDP PPP HDLC Scoring Rule For:  correctness of response 2 points for Option 2 0 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  1.2.3 Network Traffic Prioritization 13 What do companies gain from the services performed at the enterprise edge? faster communication with server farms

stronger security against malicious attacks faster communication with Internet destinations enhanced performance and reliability through VLANs and redundant trunk links Scoring Rule For:  correctness of response 2 points for Option 2 0 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  1.1.2 Traffic Flow in the Enterprise Network 14 After comparing a previous baseline to current network statistics, the network engineer has discovered a significant increase in unwarranted traffic to the extranet. Which two steps simplify administration and control the unwanted traffic? (Choose two.) define an ACL at the distribution layer to isolate packets

add an ACL at the router in the enterprise edge to block the traffic deploy a Layer 3 switch to contain broadcasts connect remote locations directly to the intranet configure all hosts with the same default gateway to eliminate unnecessary broadcasts deploy one core ISP router to reduce the delay in path determination

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

Cisco Networking Academy

Page 7 of 14

Scoring Rule For:  correctness of response Option 1 and Option 2 are correct. 1 point for each correct option. 0 points if more options are selected than required. Max Value = 2

This item references content from the following areas: CCNA Discovery: Introducing Routing and Switching in the Enterprise 2.3.1 Router Hardware 8.1.1 Traffic Filtering 15 Why would a network administrator want to limit the size of failure domains when designing a network? to eliminate the effects of Ethernet collisions  

to reduce the impact of a key device or service failure to reduce the impact of Internet congestion on critical traffic to eliminate the need to block broadcast packets at the edge of the local network Scoring Rule For:  correctness of response 2 points for Option 2 0 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  1.1.2 Traffic Flow in the Enterprise Network 16 What two statements are true regarding EIGRP tables? (Choose two.) A feasible successor route can be found in the topology table.

A successor route can only be found in the routing table. The topology table shows whether a route is in the passive or active state. The routing table shows the amount of time elapsed since a router adjacency was formed. The neighbor table shows all adjacent Cisco devices. Administrative distance is shown as a column in the neighbor table. Scoring Rule For:  correctness of response Option 1 and Option 3 are correct. 1 point for each correct option. 0 points if more options are selected than required. Max Value = 2

This item references content from the following areas: CCNA Discovery: Introducing Routing and Switching in the Enterprise  5.3.3 EIGRP Terminology and Tables 17 A network administrator wants to deny responses to ping requests. Which ACL statement denies ping responses while not affecting other traffic? access-list 123 deny tcp any any eq 80

access-list 123 deny tcp any any eq 20 access-list 123 deny tcp any any eq 21 access-list 123 deny icmp any any echo-reply access-list 101 deny tcp any any established Scoring Rule For:  correctness of response 2 points for Option 4 0 points for any other option Max Value = 2

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

Cisco Networking Academy

Page 8 of 14

This item references content from the following areas: CCNA Discovery: Introducing Routing and Switching in the Enterprise 

8.4.2 Configuring ACLs to Support Established Traffic

18

Refer to the exhibit. An administrator is adding a new router to the network. The IP address 192.168.13.6/30 has been assigned to the connecting serial interface on R2. What IP address must the administrator assign to the serial interface of the new router? 192.168.13.4/30 192.168.13.5/30 192.168.13.7/30 192.168.13.58/30 192.168.13.61/27 192.168.13.63/27 Scoring Rule For:  correctness of response 2 points for Option 2 0 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 

4.2.5 Implementing VLSM Addressing

19

Refer to the exhibit. Server7 has been added to the server farm network. The hosts can ping Servers 2 and 3 and Server2 and Server3

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

Cisco Networking Academy

Page 9 of 14

can ping each other. Server7 cannot ping the other servers connected to the switch. What is the cause of this problem? The Fa0/1 port on the switch should be in access mode. The switch IP address is not on the same subnet as Server7. The switch port used for Server7 is not in the same VLAN as Server2 and Server3. The Fa0/0 interface of the router has not been configured for subinterfaces to support inter-VLAN routing. Scoring Rule For:  correctness of response 2 points for Option 3 0 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 

9.2.2 Troubleshooting VLAN Configuration Issues

20

Refer to the exhibit. All routes in the exhibit are available to a router. Which two routes will be placed into the routing table? (Choose two.) A B C D E F Scoring Rule For:  correctness of response Option 3 and Option 5 are correct. 1 point for each correct option. 0 points if more options are selected than required. Max Value = 2

This item references content from the following areas: CCNA Discovery: Introducing Routing and Switching in the Enterprise 

6.3.4 Using Multiple Protocols in the Enterprise

21

Refer to the exhibit. A network administrator enters the command ip route 10.10.4.16 255.255.255.248 s0/0/1 into the router. What will

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

Cisco Networking Academy

Page 10 of 14

be the result of this configuration? A static route pointing to 10.10.4.16/29 is placed into the routing table. A static route to 10.10.4.16/29 is placed into the routing table if interface FastEthernet0/1 goes down. A static route pointing to 10.10.4.16/29 is only placed into the routing table if the route to 10.10.4.0 is removed. A static route is not placed into the routing table because a RIP route that includes the destination network already exists. Scoring Rule For:  correctness of response 2 points for Option 1 0 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 

5.1.4 Configuring Static Routes

22

Refer to the exhibit. Which route will appear in the routing table? R 10.10.4.0/24 [120/1] via 10.10.10.1, 00:00:12, FastEthernet0/1 R 10.10.4.0/24 [120/1] via 10.10.20.1, 00:00:12, FastEthernet0/0 R 10.10.4.0/24 [120/2] via 10.10.20.1, 00:00:12, FastEthernet0/0 R 10.10.4.0/24 [120/3] via 10.10.30.1, 00:00:12, FastEthernet1/0 R 10.10.4.0/24 [120/1] via 10.10.30.1, 00:00:12, FastEthernet1/0 Scoring Rule For:  correctness of response 2 points for Option 1 0 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 

5.2.5 Verifying RIP

23

Refer to the exhibit. What is represented by the Null0 route for the 128.107.0.0 network? a child route that is defined a parent route that is defined and sourced from a physical interface a summary route for advertising purposes, not an actual path the result of the no auto-summary command on a router

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

Cisco Networking Academy

Page 11 of 14

Scoring Rule For:  correctness of response 2 points for Option 3 0 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  5.4.2 EIGRP Route Summarization 24 When MD5 authentication is used for OSPF routing protocol authentication, what two facts are known about the key? (Choose two.) The key passes between routers in plain text.

The key is used to help generate an encrypted number for authentication. The key passes between routers in encrypted form. The key is never transmitted. The key can be captured by using a packet sniffer. Scoring Rule For:  correctness of response Option 2 and Option 4 are correct. 1 point for each correct option. 0 points if more options are selected than required. Max Value = 2

This item references content from the following areas: CCNA Discovery: Introducing Routing and Switching in the Enterprise 

6.2.2 Configuring OSPF Authentication

25

Refer to the exhibit. The network is using OSPF as the routing protocol. A network administrator issues the show ip ospf neighbor command to check the status of operation. Which statement is true? RB has the lowest priority value. RC and RD have the lowest router IDs on the network. RA has established adjacencies with all neighbor routers. RA and RB can not form an adjacency because they are stuck in the 2-way state. Scoring Rule For:  correctness of response 2 points for Option 3 0 points for any other option Max Value = 2

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

Cisco Networking Academy

Page 12 of 14

This item references content from the following areas: CCNA Discovery: Introducing Routing and Switching in the Enterprise 

6.1.3 OSPF Neighbors and Adjacencies

26

Refer to the exhibit. What two conclusions can be drawn from the displayed output? (Choose two.) A packet with a destination IP address of 172.20.1.14 will exit the router via the Serial 0/1/0 interface. The default administrative distance for EIGRP has been changed. Network 172.20.1.4 can be reached through two possible routes of equal cost. A packet with a destination IP address of 172.16.1.5 will be dropped. The router connected to Serial 0/1/1 is advertising four separate routes through EIGRP to this router. Scoring Rule For:  correctness of response Option 3 and Option 4 are correct. 1 point for each correct option. 0 points if more options are selected than required. Max Value = 2

This item references content from the following areas: CCNA Discovery: Introducing Routing and Switching in the Enterprise 

5.4.3 Verifying EIGRP Operation

27

Refer to the exhibit. RIPv2 is configured in the network shown. Hosts in the network have access to all internal networks but do not have Internet access. On which router should the commands, shown in the exhibit, be added to provide Internet access for all hosts in the network? R1 R2

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

Cisco Networking Academy

Page 13 of 14

R3 ISP Scoring Rule For:  correctness of response 2 points for Option 2 0 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 

9.3.4 Route Redistribution Issues

28

Refer to the exhibit. Assuming that the RIPv1 routing protocol is enabled and all networks have been correctly configured on each router, which statement is true? All packets from H1 that are destined to H2 will arrive at H2. None of the packets from H1 that are destined to H2 will arrive at H2. Approximately half the traffic from H1 that is destined to H2 will reach R3. Some of the packets from H1 that are destined to H2 will be sent to the switch that is connected to network 192.168.3.64/26. Scoring Rule For:  correctness of response 2 points for Option 3 0 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 4.3.4 Discontiguous Subnets 5.2.4 Problems with RIP 29 Which command should a network administrator issue to disable default summarization in an EIGRP network? Router(config-router)# no ip summary-address  

Router(config-if)# no ip summary-address Router(config-if)# no auto-summary Router(config-router)# no auto-summary Scoring Rule For:  correctness of response 2 points for Option 4 0 points for any other option Max Value = 2

This item references content from the following areas:

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

Cisco Networking Academy

Page 14 of 14

CCNA Discovery: Introducing Routing and Switching in the Enterprise 

5.4.2 EIGRP Route Summarization

30

Refer to the exhibit. What two pieces of information can be gathered from the output of this command? (Choose two.) 172.16.16.0/20 is a manually summarized route. All subnets are being advertised because default summarization was disabled. The output verifies that EIGRP is advertising only the networks in the same AS. The 172.16.1.0/24 network is directly attached to the router that produced this output. The Null0 interface indicates that this is not an actual path, but a summary for advertising purposes. Scoring Rule For:  correctness of response Option 1 and Option 5 are correct. 1 point for each correct option. 0 points if more options are selected than required. Max Value = 2

This item references content from the following areas: CCNA Discovery: Introducing Routing and Switching in the Enterprise 

5.4.2 EIGRP Route Summarization

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.

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