[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]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]为了阻止交换机环路,交换机上所采用的技术为()
正确答案 :B
生成树协议
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