ccna_题库v31选择题部分,答案与题目分开_word版.doc

CCNA题库V31版 选择题部分 本题库为word文档，方便打印；题目答案分开，用于考前冲刺自测使用 (注意：请与v31pdf电子版配合使用效果更佳) 1. Refer to the exhibit. What could be possible causes for the Serial0/0 is down interface status? (Choose two.) A. A Layer 1 problem exists. B. The bandwidth is set too low. C. A protocol mismatch exists. D. An incorrect cable is being used. E. There is an incorrect IP address on the Serial 0/0 interface. 2. Before installing a new, upgraded version of the IOS, what should be checked on the router, and which command should be used to gather this information? (Choose two.) A. the amount of available ROM B. the amount of available flash and RAM memory C. the version of the bootstrap software present on the router D. show version E. show processes F. show running-config 3. Refer to the exhibit. Which two statements are true about interVLAN routing in the topology that is shown in the exhibit? (Choose two.) A. Host E and host F use the same IP gateway address. B. Router1 and Switch2 should be connected via a crossover cable. C. Router1 will not play a role in communications between host A and host D. D. The FastEthernet 0/0 interface on Router1 must be configured with subinterfaces. E. Router1 needs more LAN interfaces to accommodate the VLANs that are shown in the exhibit. F. The FastEthernet 0/0 interface on Router1 and Switch2 trunk ports must be configured using the same encapsulation type. 4. Refer to the exhibit. Which two statements are true about the loopback address that is configured on RouterB? (Choose two.) A. It ensures that data will be forwarded by RouterB. B. It provides stability for the OSPF process on RouterB. C. It specifies that the router ID for RouterB should be . D. It decreases the metric for routes that are advertised from RouterB. E. It indicates that RouterB should be elected the DR for the LAN. 5. A network administrator is explaining VTP configuration to a new technician. What should the network administrator tell the new technician abo