[单选题]对于使用链路状态路由协议的路由器如何选择最佳路线到达子网，下列哪项是正确的（）

正确答案 ：B

通过针对链路状态数据库中的信息运行SPF算法，路由器会计算出最佳路由

[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]Which type of cable should be used to make a connection between the Fa0/0 port on a router and the Fa0/0 port switch?

正确答案 ：D

Straight-through cable

解析：解析：Explanation:Straight-throughcablesareusedtoconnecthosttoswitch(orhub)androutertoswitch(orhub).

[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:

[多选题]在路由器上，可以使用的命令有：()

正确答案 ：ABC

ping

show interfaces

show ip route

解析：ABC

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