
【名词&注释】
路由器(router)、数据包(packet)、标识符(identifier)、快捷键(shortcut key)
[单选题]网关的功能()
A. 过滤数据包
B. 不同网段通信
C. 校验数据帧
D. 把数据封装成“段”
查看答案&解析
举一反三:
[单选题]路由器当前的模式为“端口模式”,要退回到“特权模式”,应该使用的快捷键(shortcut key)为()
A. ctrl+b
B. ctrl+z
C. ctrl+c
D. ctrl+p
[单选题]The network administrator has configured port security on a Ezonexam switch. Why would a network administrator configure port security on this Ezonexam device?
A. To prevent unauthorized hosts from getting access to the LAN
B. To limit the number of Layer 2 broadcasts on a particular switch port
C. To prevent unauthorized Telnet or SSH access to a switch port
D. To prevent the IP and MAC address of the switch and associated ports
E. None of the above
[单选题]以下()LSA类型是ASBR来宣告外部路由信息的。()
A. 类型1
B. 类型2
C. 类型3
D. 类型4
E. 类型5
[单选题]路由器下“特权用户模式”的标识符是:()
A. >
B. !
C.
D. (config-if)
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