[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
[单选题]下列哪一个通配符掩码与子网172.16.64.0/27的所有主机匹配()。
正确答案 :C
0.0.0.31
[单选题]两台路由器直连到一起,应该使用的线缆为()
正确答案 :A
交叉线缆
[单选题]After working on a router, some problems arise and you wish to view the commands that you recently entered. Which IOS command opens the history buffer and displays the most recently entered commands?
正确答案 :A
Show history
解析:A 解析:Explanation:
[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:
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