CCNA(640-802)题库答案 - 题库考试答案搜索网

<单选题>Which Cisco Catalyst feature automatically disables the port in an operational PortFast upon receipt of a BPDU?（）解析
<单选题>What is the most likely reason for the dispartly between the actual network numbers at the branches and the routes in the routing table on Gateway-Router?（）解析
<多选题>The network technician is planning to use the 255.255.255.224 subent mask on the network.which three valid IP addresses can the technician use for the hosts?（）解析
<单选题>What must be set correctly when configuring a serial interface so that higher-level protocols calculate the best route?（）解析
<单选题>Which command would you configure globally on a Cisco router that would allow you to view directly connected Cisco devices?（）解析
<单选题>As a CCNA candidate, you must have a firm understanding of the IPv6 address structure. Refer to IPv6 address, could you tell me how many bits are included in each filed?（）解析
<单选题>Why will a switch never learn a broadcast address?（）解析
<单选题>When you are logged into aswitch，which prompt indicates that you are inprivileged mode？（）解析
<单选题>All WAN links inside the ABC University network use PPP with CHAP for authentication security. Which command will display the CHAP authentication process as it occur between two routers in the network?（）解析
<多选题>What two things will a router do when running a distance vector routing protocol?（）解析
<问答题>简述金融危机预警系统的构成。解析
<单选题>A router receives information about network 192.168.10.0/24 from multiple sources.What will the router consider the most reliable information about the path to that network?（）解析
<单选题>Which encapsulation type is a Frame Relay encapsulation type that is supported by Cisco routers?（）解析
<多选题>What two statistics appear in show frame-relay map output?（）解析
<多选题>What are some of the advantages of using a router to segment the network?（）解析

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