CCNA系列認證CCNA(640-802)章節(jié)練習(2019.10.23)

來源：考試資料網(wǎng)

1 Which command encrypts all plaintext passwords?（）

2 Which dose the frame-relay interface-dlci command configure?（）

3 Which of the following describe the process identifier that is used to run OSPF on a router? (Choose two.)（）

4 A network administrator issues the ping 192.168.2.5 command and successfully tests connectivity to a host that has been newly connected to the network. Which protocols were used during the test?（）

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5 How dose a DHCP server dynamically assign IP address to host?（）

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6 When you are troubleshooting an ACL issue on a router,which command can help you to verify which interfaces are affected by the ACL?（）

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7 Which routing protocol by default uses bandwidth and delay as metrics?（）

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8 What will an Ethernet switch do if it receives a unicast frame with a destination MAC that is listed in the switch table?（）

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9 At which layers of the OSI model do WANs operate? (Choose two.)（）

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10 Which command is used to copy the configuration from RAM into NVRAM？（）

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