51CTO下载-CCNA 640-802 V14 题库(76-100) - 图文(3)

A. The ip subnet-zero command has been issued on the R1 router.

B. The RIP v2 dynamic routing protocol cannot be used across a Frame Relay network.

C. Split horizon is preventing R2 from learning about the R3 networks and R3 from learning about the R2 networks.

D. The 172.16.2.0/25 and 172.16.2.128/25 networks are overlapping networks that can be seen by R1, but notbetween R2 and R3.

E. The 172.16.3.0/29 network used on the Frame Relay links is creating a discontiguous network between the R2 and R3 router subnetworks.

Answer: C

96. Refer to the exhibit. Hosts in network 192.168.2.0 are unable to reach hosts in network 192.168.3.0. Based on the output from RouterA, what are two possible reasons for the failure? (Choose two.)

A. The cable that is connected to S0/0 on RouterA is faulty. B. Interface S0/0 on RouterB is administratively down.

C. Interface S0/0 on RouterA is configured with an incorrect subnet mask.

D. The IP address that is configured on S0/0 of RouterB is not in the correct subnet. E. Interface S0/0 on RouterA is not receiving a clock signal from the CSU/DSU. F. The encapsulation that is configured on S0/0 of RouterB does not match the encapsulation that is configured on S0/0 of RouterA.

Answer: EF

97. When upgrading the IOS image, the network administrator receives the exhibited error message. What couldbe the cause of this error?

A. The new IOS image is too large for the router flash memory. B. The TFTP server is unreachable from the router. C. The new IOS image is not correct for this router platform. D. The IOS image on the TFTP server is corrupt.

E. There is not enough disk space on the TFTP server for the IOS image. Answer: B

98. You and a co-worker have established wireless communication directly between your wireless laptops. What type of wireless topology has been created?

A. BSS B. ESS C. IBSS D. SSID Answer: C

99. The Frame Relay network in the diagram is not functioning properly. What is the cause of the problem?

A. The Gallant router has the wrong LMI type configured.

B. Inverse ARP is providing the wrong PVC information to the Gallant router. C. The S3 interface of the Steele router has been configured with the frame-relay encapsulation ietf command.

D. The frame-relay map statement in the Attalla router for the PVC to Steele is not correct.

E. The IP address on the serial interface of the Attalla router is configured incorrectly. Answer: D

100. Which of the following statements describe the network shown in the graphic? (Choose two.)

A. There are two broadcast domains in the network. B. There are four broadcast domains in the network. C. There are six broadcast domains in the network. D. There are four collision domains in the network. E. There are five collision domains in the network. F. There are seven collision domains in the network. Answer: AF

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