CCNA系列認證CCNA(640-802)章節(jié)練習(xí)(2019.10.28)

來源：考試資料網(wǎng)

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

2 What TCP/IP stack configuration features can DHCP provide, in addition to assigning an IP address? (Choose three.)（）

點擊查看答案

3 A system administrator installed a new switch using a script to configure it. IP connectivity was tested using pings to SwitchB. Later attempts to access NewSwitch using Telnet from SwitchA failed. Which statement is true?（）

點擊查看答案

4 Which commands is necessary to permit SSH or Telnet access to a cisco switch that is otherwise configured for these vty line protocols?（）

點擊查看答案

5 Which command can be used from a PC to verfy the connectivity between host that connect through path?（）

點擊查看答案

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

點擊查看答案

7 Which two states are the port states when RSTP has converged?（）

點擊查看答案

8 Why would a network administrator configure port security on a switch?（）

點擊查看答案

9 What is the effect of the following access list condition? access-list 101 permit ip 10.25.30.0 0.0.0.255 any（）。

點擊查看答案

10 For the network 192.0.2.0/23, which option is a valid IP address that can be assigned to a host?（）

點擊查看答案