CCNA系列認證CCNA(640-801)章節(jié)練習(2019.04.26)

來源：考試資料網

1 Which of the following IOS commands could you use to troubleshoot a router connectivity problem on an IP network?（）

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2 Which three of the following OSI model layers also belong to the TCP/IP model?（）

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3 What is the purpose of the command shown below?vtp password Fl0r1da（）

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4 Which of the protocols below use TCP at the transport layer?（）

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5 What is the subnetwork address for a host with IP address 201.100.5.68/28?（）

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6 What is the maximum number of IP addresses that can be assigned to hosts on a local subnet that use the 255.255.255.224 subnet mask?（）

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7 The Testking router is running both RIP and IGRP, and the same route is learned by this router from both of these methods. However, when you issue the command"show ip route" you see only the IGRP route, and not the RIP route. Why is this?（）

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8 Which two of the following values does STP take into consideration when it elects the root bridge?（）

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9 Which of the following technologies can be used in distance vector routing protocols to prevent routing loops?（）

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10 You are working as an administrator at TestKing, and you need to set the bandwidth of your routers serial port to 56K. Which of the following commands would you use?（）

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