Ccna Discovery4.0 Final 3rd Module

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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   

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

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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

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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

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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

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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

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 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

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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

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 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

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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

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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 What is a feature of PAP authentication? It uses a three-way handshake with encryption.

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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. 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 

7.2.4 PPP Authentication

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Refer to the exhibit. R3 is announcing all displayed internal networks as a summary address to R4. Which summary address will be most specific? 172.16.0.0/21 172.16.4.0/21 172.16.0.0/22 172.16.4.0/22 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  4.3.3 Calculating Route Summarization 11 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? 510

512 1022 1024 Scoring Rule For:  correctness of response 2 points for Option 1

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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  4.2.1 Subnet Mask 12 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. 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  1.2.3 Network Traffic Prioritization 13 Which component of the Cisco Enterprise Architecture manages server farms? service provider edge

enterprise campus enterprise edge edge device 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 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. 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  8.1.3 Types and Usage of ACLs 15 Which function does the access layer provide in a hierarchical internetworking model? It provides a high-speed backbone layer between geographically dispersed networks.

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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. 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  1.1.2 Traffic Flow in the Enterprise Network 16 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. 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 

5.3.2 Enhanced Interior Gateway Routing Protocol (EIGRP)

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

8.1.4 ACL Processing

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Refer to the exhibit. What are two possible procedures that would ensure that R1 would always be the DR for OSPF area 0? (Choose two.) 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. Scoring Rule For:  correctness of response Option 4 and Option 6 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 

6.1.3 OSPF Neighbors and Adjacencies

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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? 192.168.1.65/27 192.168.1.32/27 192.168.1.63/27 192.168.1.61/27 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:

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CCNA Discovery: Introducing Routing and Switching in the Enterprise 

4.2.5 Implementing VLSM Addressing

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Refer to the exhibit. R1 is configured for inter-VLAN communication as displayed. PC1 is able to ping PC2 but unable to ping PC3. What is 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. 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

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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 routing table? (Choose two.) 1 2 3 4 5 6 Scoring Rule For:  correctness of response

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Option 2 and Option 6 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

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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 new route. 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. 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  5.1.4 Configuring Static Routes 23 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, FastEthernet0/1

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

5.2.4 Problems with RIP

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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=C 1=R, 2=E, 3=O, 4=S 1=R, 2=D, 3=O, 4=S 1=O, 2=R, 3=D, 4=C 1=R, 2=O, 3=E, 4=C 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 

5.3.2 Enhanced Interior Gateway Routing Protocol (EIGRP)

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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. 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 

6.2.2 Configuring OSPF Authentication

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Refer to the exhibit. How many routers have established OSPF adjacencies with R1? 2 4 5 7 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 

6.2.4 Verifying OSPF Operation

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Refer to the exhibit. R1 and R2 are connected to each other through their serial0/0/0 interfaces, but are unable to establish OSPF adjacency. 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.

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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. 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 

6.2.4 Verifying OSPF Operation

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Refer to the exhibit. The network administrator has configured R1, R2, and R3 to use RIPv2, and the network is fully converged. The hosts 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. 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 29 Which routing protocol is unable to support discontiguous networks? RIPv1

RIPv2 EIGRP

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OSPF 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 

5.2.2 Routing Information Protocol (RIP)

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Refer to the exhibit. The network administrator configured the routers using the displayed commands. What is the reason the EIGRP network 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. 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 

5.4.1 Configuring EIGRP

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