CCNA系列認(rèn)證CCNA(640-801)章節(jié)練習(xí)(2019.05.09)

來源：考試資料網(wǎng)

1 Which command is required for connectivity in a Frame Relay network if Inverse ARP is not operational?（）

2 What is the purpose of this command? ip route 0.0.0.0 0.0.0.0 serial0/0（）

3 TestKing has 25 computers and decides to connect the network to the Internet.TestKing would like for all of the computers to have access to the Internet at the same time, but TestKing only has four usable publicly routable IP addresses.What should be configured on the router so that all computers can connect to the Internet simultaneously?（）

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4 Which Layer 1 devices can be used to enlarge the area covered by a single LAN segment?（）

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5 Which two of the addresses below are available for host addresses on the subnet 192.168.15.19/28?（）

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6 Your network uses the172.12.0.0 class B address. You need to support 459 hosts per subnet, while accommodating the maximum number of subnets. Which mask wouldyou use?（）

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7 With regard to Ethernet media access methods, which of the following are true?（）

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8 A router with a serial interface will be used for an ISDN link.What other function group devices are required to complete the connection to the service provider? （）

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9 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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10 When you compare the differences between half-duplex and full-duplex Ethernet,which of the following characteristics are exclusive to half-duplex?（）

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