软件认证工程师考试
CCNA系列认证CCNA(640-802)章节练习(2019.10.28)
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单项选择题
Which command is used to copy the configuration from RAM into NVRAM?()
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多项选择题
What TCP/IP stack configuration features can DHCP provide, in addition to assigning an IP address? (Choose three.)()
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单项选择题
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?()
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单项选择题
Which commands is necessary to permit SSH or Telnet access to a cisco switch that is otherwise configured for these vty line protocols?()
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单项选择题
Which command can be used from a PC to verfy the connectivity between host that connect through path?()
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多项选择题
At which layers of the OSI model do WANs operate? (Choose two.)()
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多项选择题
Which two states are the port states when RSTP has converged?()
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单项选择题
Why would a network administrator configure port security on a switch?()
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单项选择题
What is the effect of the following access list condition? access-list 101 permit ip 10.25.30.0 0.0.0.255 any()。
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单项选择题
For the network 192.0.2.0/23, which option is a valid IP address that can be assigned to a host?()
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