[单选题]How many usable IP addresses can you get from a conventional Class C address?
正确答案 :C
254
解析:解析:Explanation:
[单选题]为了连接“帧中继”线路,网络中的路由器需要提供的端口类型为()
正确答案 :B
Serial
[单选题]The Ezonexam network administrator has just issued the "switchport trunk native vlan 998" command on switch VE2. What is the function of this command?
正确答案 :B
It designates VLAN 998 for untagged traffic
[单选题]NAT可以被用于完成多种功能,以下不属于其功能的是:()
正确答案 :D
内部网络流量控制
[单选题]路由器当前的模式为“端口模式”,要退回到“特权模式”,应该使用的快捷键为()
正确答案 :B
ctrl+z
[单选题]How can a Ezonexam administrator determine if a router has been configured when it is first powered up?
正确答案 :C
An un configured router goes into the setup dialog
解析:解析:Explanation:
[单选题]如果把路由器的某个端口的IP配置为:192.168.10.64,掩码配置为:255.255.255.248,则该端口()
正确答案 :B
会变成“administratively down”状态
[单选题]A new Ezonexam switch is installed into an existing LAN and a new VTP trunk is set up with an existing switch. Which VLANs will be allowed on this new trunk?
正确答案 :A
All defined VLANs are allowed on the trunk by default.
解析:解析:Explanation:
[单选题]“InsideGlobal”地址在NAT配置里表示的是什么()
正确答案 :B
一个注册的地址是表示一个内部的主机到外部网络
[单选题]在OSPF的完全存根区域中,使用以下哪种LSAType报文或其它方式与区域间通信:()
正确答案 :D
默认路由:0.0.0.0
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