CCNA系列認(rèn)證CCNA(640-802)章節(jié)練習(xí)(2019.07.31)

來源：考試資料網(wǎng)

1 Which command can be used to verify the DLCI destination address in a Frame Relay static configuration?（）

2 The network administrator has asked you to check the status of the workstation’s IP stack by pinging the loopback address.Which address would you ping to perform this task？（）

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3 Which layer in the OSI reference model is responsible for determining the availability of the receiving program and checking to see if enough resources exist for that communication? （）

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

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5 Which three of these statements regarding 802.1Q trunking are correct?（）

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6 A cisco router is booting and has just completed the POST process.It is now ready to find and load an IOSimage.what function does the router perform next?（）

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7 What is the maximum data rate specified for IEEE 802.11b WLANs?（）

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8 During startup, the router displays the following error message: boot: cannot open "flash:" What will the router do next?（）

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9 Identify the four valid IPv6 addresses.（）

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10 Which protocol reduces administrative overhead in a switched network by allowing the configuration of a new VLAN to be distributed to all the switches in a domain?（）

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