certification 3

1.

1 point

Which encapsulation type is a Frame Relay encapsulation type that is supported by Cisco routers?

A. IETF

C. Q9333-A Annex A

B. ANSI Annex D

D. HDLC

2.

1 point

What is the meaning of the term dynamic as displayed in the output of the show frame-relay map command shown?

A. The Serial0/0 interface is passing traffic.

D. The DLCI 100 will be dynamically changed as required to adapt to changes in the Frame Relay cloud.

B. The DLCI 100 was dynamically allocated by the router.

E. The mapping between DLCI 100 and the end station IP address 172.16.3.1 was learned through Inverse ARP.

C. The Serial0/0 interface acquired the IP address of 172.16.3.1 from a DHCP server.

3.

1 point

What are three factors a network administrator must consider before implementing Netflow in the network? (Choose three.)

F. WAN encapsulation

C. number of devices exporting Netflow data

A. CPU utilization

D. port availability

E. SNMP version

B. where Netflow data will be sent

4.

1 point

In the Frame Relay network, which IP addresses would be assigned to the interfaces with point- to-point PVCs?

B. DLCI 16: 192.168.10.1 /24 DLCI 17: 192.168.11.1 /24 DLCI 99: 192.168.12.1 /24 DLCI 28: 192.168.13.1 /24

A. DLCI 16: 192.168.10.1 /24 DLCI 17: 192.168.10.1 /24 DLCI 99: 192.168.10.2 /24 DLCI 28: 192.168.10.3 /24

D. DLCI 16: 192.168.10.1 /24 DLCI 17: 192.168.10.2 /24 DLCI 99: 192.168.10.3 /24 DLCI 28: 192.168.10.4 /24

C. DLCI 16: 192.168.10.1 /24 DLCI 17: 192.168.11.1 /24 DLCI 99: 192.168.10.2 /24 DLCI 28: 192.168.11.2 /24

5.

1 point

It has become necessary to configure an existing serial interface to accept a second Frame Relay virtual circuit. Which of the following procedures are required to accomplish this task? (Choose three.)

A. Remove the IP address from the physical interface.

F. Configure static Frame Relay map entries for each subinterface network.

C. Create the virtual interfaces with the interface command.

D. Configure each subinterface with its own IP address.

B. Encapsulate the physical interface with multipoint PPP.

E. Disable split horizon to prevent routing loops between the subinterface networks.

6.

1 point

Which command allows you to verify the encapsulation type (CISCO or IETF) for a Frame Relay link?

A. show frame-relay lmi

B. show frame-relay map

C. show frame-relay pvc

D. show interfaces serial

7.

1 point

After reviewing the command output and graphic, what is the most likely cause of the problem?

A. incorrect bandwidth configuration

C. incorrect map statement

B. incorrect LMI configuration

D. incorrect IP address

8.

1 point

At which layer of the OSI model does PPP perform?

B. Layer 3

C. Layer 4

D. Layer 5

A. Layer 2

9.

1 point

Based on the partial output of the Router# show frame relay pvc command shown in the graphic, which output value indicates to the local router that traffic sent to the corporate site is experiencing congestion?

D. in FECN packets 147

A. DLCI = 100

C. in BECN packets 192

B. last time PVC status changed 00:25:40

E. in DE packets 0

10.

1 point

Which two options are valid WAN connectivity methods? (Choose two.)

C. DSL

B. WAP

D. L2TPv3

A. PPP

E. Ethernet

11.

1 point

Scenario Refer to the topology. Your company has connected the routers R1. R2. and R3 with serial links. R2 and R3 are connected to the switches SW1 and SW2, respectively. SW1 and SW2 are also connected to the routers R4 and R5. The EIGRP routing protocol is configured. You are required to troubleshoot and resolve the EIGRP issues between the various routers. Use the appropriate show commands to troubleshoot the issues.
Router R6 does not form an EIGRP neighbor relationship correctly with router R1. What is the cause for this misconfiguration?

B. The AS does not match.

A. The K values mismatch.

C. The network command is missing.

D. The passive-interface command is enabled.

12.

1 point

What are two characteristics of Frame Relay point-to-point subinterfaces? (Choose two.)

E. They require the use of NBMA options when using OSPF.

C. They emulate leased lines.

B. They require a unique subnet within a routing domain.

A. They create split-horizon issues.

D. They are ideal for full-mesh topologies.

13.

1 point

What are the benefit of using Netflow? (Choose three.)

A. Network, Application & User Monitoring

C. Security Analysis

D. Accounting/Billing

B. Network Planning

14.

1 point

Refer to the topology. Your company has decided to connect the main office with three other remote branch offices using point-to-point serial links. You are required to troubleshoot and resolve OSPF neighbor adjacency issues between the main office and the routers located in the remote branch offices.
R1 does not form an OSPF neighbor adjacency with R2. Which option would fix the issue?

B. R1 ethernetO/1 configured with a non-default OSPF hello interval of 25: configure no ip ospf hello-interval 25

A. R1 ethernetO/1 is shutdown. Configure no shutdown command.

C. R2 ethernetO/1 and R3 ethernetO/O are configured with a non-default OSPF hello interval of 25; configure no ip ospf hello-interval 25

D. Enable OSPF for R1 ethernetO/1; configure ip ospf 1 area 0 command under ethernetO/1

15.

1 point

Which two statistics appear in show frame-relay map output? (Choose two.)

E. the IP address of the local router

D. the status of the PVC that is configured on the router

C. the number of FECN packets that are received by the router

B. the value of the local DLCI

A. the number of BECN packets that are received by the route

16.

1 point

What is the default administrative distance of OSPF?

B. 100

A. 90

D. 120

C. 110

17.

1 point

If the devices produced the given output, what is the cause of the EtherChannel problem?

C. There is an MTU mismatch between SW1's Fa0/1 and SW2's Fa0/1 interfaces.

B. There is an encapsulation mismatch between SW1's Fa0/1 and SW2's Fa0/1 interfaces.

D. There is a speed mismatch between SW1's Fa0/1 and SW2's Fa0/1 interfaces.

A. SW1's Fa0/1 interface is administratively shut down.

18.

1 point

Which two statements about using the CHAP authentication mechanism in a PPP link are true? (Choose two.)

F. CHAP has no protection from playback attacks.

C. CHAP authentication periodically occurs after link establishment.

A. CHAP uses a two-way handshake.

B. CHAP uses a three-way handshake

D. CHAP authentication passwords are sent in plaintext.

E. CHAP authentication is performed only upon link establishment.

19.

1 point

An OSPF neighbor adjacency is not formed between R3 in the main office and R5 in the Branch2 office. What is causing the problem?

D. There is a missing network command in the OSPF process on R5.

C. There is an OSPF hello and dead interval mismatch.

B. There is a PPP authentication issue; a password mismatch.

A. There is an area ID mismatch.

20.

1 point

Which command is used to enable CHAP authentication, with PAP as the fallback method, on a serial interface?

B. Router(config-if)# ppp authentication chap pap

A. Router(config-if)# ppp authentication chap fallback ppp

C. Router(config-if)# authentication ppp chap fallback ppp

D. Router(config-if)# authentication ppp chap pap

21.

1 point

What is the purpose of Inverse ARP?

A. to map a known IP address to a MAC address

B. to map a known DLCI to a MAC address

C. to map a known MAC address to an IP address

D. to map a known DLCI to an IP address

E. to map a known IP address to a SPID

F. to map a known SPID to a MAC address

22.

1 point

A network administrator needs to configure a serial link between the main office and a remote location. The router at the remote office is a non-Cisco router. How should the network administrator configure the serial interface of the main office router to make the connection?

C. Main(config)# interface serial 0/0 Main(config-if)# ip address 172.16.1.1 255.255.255.252 Main(config-if)# encapsulation frame-relay Main(config-if)# authentication chap Main(config-if)# no shut

A. Main(config)# interface serial 0/0 Main(config-if)# ip address 172.16.1.1 255.255.255.252 Main(config-if)# no shut

D. Main(config)# interface serial 0/0 Main(config-if)#ip address 172.16.1.1 255.255.255.252 Main(config-if)#encapsulation ietf Main(config-if)# no shut

B. Main(config)# interface serial 0/0 Main(config-if)# ip address 172.16.1.1 255.255.255.252 Main(config-if)# encapsulation ppp Main(config-if)# no shut

23.

1 point

What are three reasons that an organization with multiple branch offices and roaming users might implement a Cisco VPN solution instead of point-to-point WAN links? (Choose three.

C. broadband incompatibility

B. better throughput

F. reduced latency

E. scalability

A. reduced cost

D. increased security

24.

1 point

Which statement describes DLCI 17?

A. DLCI 17 describes the ISDN circuit between R2 and R3.

D. DLCI 17 describes the dial-up circuit from R2 and R3 to the service provider.

C. DLCI 17 is the Layer 2 address used by R2 to describe a PVC to R3.

B. DLCI 17 describes a PVC on R2. It cannot be used on R3 or R1.

25.

1 point

What command is used to verify the DLCI destination address in a Frame Relay static configuration?

A. show frame-relay pvc

B. show frame-relay lmi

C. show frame-relay map

D. show frame relay end-to-end

26.

1 point

Scenario Refer to the topology. Your company has decided to connect the main office with three other remote branch offices using point-to-point serial links. You are required to troubleshoot and resolve OSPF neighbor adjacency issues between the main office and the routers located in the remote branch offices.
An OSPF neighbor adjacency is not formed between R3 in the main office and R6 in the Branch3 office. What is causing the problem?

A. There is an area ID mismatch

C. There is an OSPF hello and dead interval mismatch.

D. The R3 router ID is configured on R6.

B. There is a PPP authentication issue; the username is not configured on R3 and R6.

27.

1 point

The output of the show frame-relay pvc command shows "PVC STATUS = INACTIVE". What does this mean?

A. The PVC is configured correctly and is operating normally, but no data packets have been detected for more than five minutes.

E. The PVC is not configured on the local switch.

C. The PVC is configured correctly, is operating normally, and is waiting for interesting traffic to trigger a call to the remote router.

D. The PVC is configured correctly on the local switch, but there is a problem on the remote end of the PVC.

B. The PVC is configured correctly, is operating normally, and is no longer actively seeking the address of the remote router.

28.

1 point

Which Layer 2 protocol encapsulation type supports synchronous and asynchronous circuits and has built-in security mechanisms?

A. HDLC

B. PPP

D. Frame Relay

C. X.25

29.

1 point

What are three values that must be the same within a sequence of packets for Netflow to consider them a network flow? (Choose three.)

C. egress interface

A. source IP address

E. destination IP address

F. IP next-hop

D. ingress interface

B. source MAC address

30.

1 point

Which protocol can cause overload on a CPU of a managed device?

B. WCCP

A. Netflow

C. IP SLA

D. SNMP

31.

1 point

What are the three things that the Netflow uses to consider the traffic to be in a same flow? (Choose three)

D. L3 protocol type

B. Interface name

C. Port numbers

A. IP address

E. MAC address

32.

1 point

Scenario Refer to the topology. Your company has connected the routers R1. R2. and R3 with serial links. R2 and R3 are connected to the switches SW1 and SW2, respectively. SW1 and SW2 are also connected to the routers R4 and R5. The EIGRP routing protocol is configured. You are required to troubleshoot and resolve the EIGRP issues between the various routers. Use the appropriate show commands to troubleshoot the issues.
Which path does traffic take from R1 to R5?

A. The traffic goes through R2.

C. The traffic is equally load-balanced over R2 and R3.

B. The traffic goes through R3.

D. The traffic is unequally load-balanced over R2 and R3.

33.

1 point

The command frame-relay map ip 10.121.16.8 102 broadcast was entered on the router. Which of the following statements is true concerning this command?

E. The broadcast option allows packets, such as RIP updates, to be forwarded across the PVC.

A. This command should be executed from the global configuration mode

B. The IP address 10.121.16.8 is the local router port used to forward data.

D. This command is required for all Frame Relay configurations.

C. 102 is the remote DLCI that will receive the information.

34.

1 point

Which protocol is an open standard protocol framework that is commonly used in VPNs, to provide secure end-to-end communications?

B. L2TP

A. RSA

D. PPTP

C. IPsec

35.

1 point

Scenario: Refer to the topology. Your company has decided to connect the main office with three other remote branch offices using point-to-point serial links. You are required to troubleshoot and resolve OSPF neighbor adjacency issues between the main office and the routers located in the remote branch offices
An OSPF neighbor adjacency is not formed between R3 in the main office and R4 in the Branchl office. What is causing the problem?

C. There is an OSPF hello and dead interval mismatch.

B. There is a Layer 2 issue; an encapsulation mismatch on serial links.

A. There is an area ID mismatch.

D. The R3 router ID is configured on R4.

36.

1 point

Why are the pings failing?

A. The network statement is missing on R5.

C. The network statement is missing on R1.

B. The loopback interface is shut down on R5.

D. The IP address that is configured on the Lo1 interface on R5 is incorrect.

37.

1 point

The command frame-relay map ip 10.121.16.8 102 broadcast was entered on the router. Which of the following statements is true concerning this command?

A. This command should be executed from the global configuration mode

E. The broadcast option allows packets, such as RIP updates, to be forwarded across the PVC.

C. 102 is the remote DLCI that will receive the information.

B. The IP address 10.121.16.8 is the local router port used to forward data.

D. This command is required for all Frame Relay configurations.

38.

1 point

Which PPP subprotocol negotiates authentication options?

B. ISDN

C. SLIP

E. DLCI

D. LCP

A. NCP

39.

1 point

What command visualizes the general NetFlow data on the command line?

A. show ip flow export

B. show ip flow top-talkers

C. show ip cache flow

D. show mls sampling

E. show mls netflow ip

40.

1 point

What occurs on a Frame Relay network when the CIR is exceeded?

B. All UDP traffic is marked discard eligible and a BECN is sent.

C. All TCP traffic is marked discard eligible and a BECN is sent.

A. All TCP traffic is marked discard eligible.

D. All traffic exceeding the CIR is marked discard eligible.

41.

1 point

Scenario Refer to the topology. Your company has connected the routers R1. R2. and R3 with serial links. R2 and R3 are connected to the switches SW1 and SW2, respectively. SW1 and SW2 are also connected to the routers R4 and R5. The EIGRP routing protocol is configured. You are required to troubleshoot and resolve the EIGRP issues between the various routers. Use the appropriate show commands to troubleshoot the issues.
The loopback interfaces on R4 with the IP addresses of 10.4.4.4 /32, 10.4.4.5/32. and 10.4.4.6/32 are not appearing in the routing table of R5 Why are the interfaces missing?

A. The interfaces are shutdown, so they are not being advertised.

C. Automatic summarization is enabled, so only the 10.0.0.0 network is displayed.

D. The loopback addresses haven't been advertised, and the network command is missing on R4.

B. R4 has been incorrectly configured to be in another AS, so it does not peer with R5.

42.

1 point

What is the result of issuing the frame-relay map ip 192.168.1.2 202 broadcast command?

B. defines the source IP address that is used in all broadcast packets on DCLI 202

D. defines the DLCI that is used for all packets that are sent to the 192.168.1.2 IP address

C. defines the DLCI on which packets from the 192.168.1.2 IP address are received

A. defines the destination IP address that is used in all broadcast packets on DCLI 202