[单选题]在OSPF的DR/BDR选举过程中,在路由器有相同的接口优先级情况下,什么用于确定DR或BDR()
正确答案 :D
路由器ID
[多选题]CDP is being used throughout the Ezonexam network. What are two reasons why the Ezonexam network administrator would use CDP? (Choose two)
正确答案 :BD
To obtain the IP Address of a connected device in order to telnet to the device
To verify Layer 2 connectivity between two devices when Layer 3 fails
[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]通配符掩码和子网掩码之间的关系是()。
正确答案 :A
两者没有什么区别
[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
[单选题]VLAN主干协议VTP的默认工作模式是()
正确答案 :A
服务器模式
[单选题]为了禁止网络210.93.105.0ftp到网络223.8.151.0,允许其他信息传输,则能实现该功能的选项是:()
正确答案 :D
access-list 100 deny tcp 210.93.105.0 0.0.0.255 223.8.151.00.0.0.255 eq ftp access list 100 permit ip any any
[单选题]路由器上,命令“show int s0”的显示结果为:Serial0 is up,line protocol is down出现该结果的可能原因是()
正确答案 :C
两端设备协议不一致
[单选题]Given that you have a class B IP address network range, which of the subnet masks below will allow for 100 subnets with 500 usable host addresses per subnet?
正确答案 :C
255.255.254.0
解析:解析:Explanation:
[单选题]Assuming you build networks to exact specifications, what is the recommended maximum length a 10BaseT cable can be before it has to be segmented or repeated?
正确答案 :A
100 meters
解析:解析:Explanation:
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