[单选题]当拓扑信息完成交换，相邻路由器具有相同的LSDB时，下列哪项OSPF邻居状态是希望得到的()

正确答案 ：B

FULL

[单选题]路由器上激活端口的命令是（）

正确答案 ：B

no shutdown

[单选题]What is the purpose of the Spanning Tree Protocol (STP)?

正确答案 ：D

To maintain a loop-free Layer 2 network topology

解析：解析：Explanation:

[单选题]The Ezonexam network administrator has issued the "VTP password ezonexam" command on a Cisco device. What is the purpose of this command?

正确答案 ：D

It is used to validate the sources of VTP advertisements sent between switches

[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?

正确答案 ：A

To prevent unauthorized hosts from getting access to the LAN

解析：解析：Explanation:

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