[单选题]RIP协议的管理距离是（）

正确答案 ：B

110

[单选题]When is a switched network that is running the Spanning Tree Protocol considered to be fully converged?

正确答案 ：D

when every operating switch port is in either the blocking or forwarding state

解析：解析：Explanation:

[单选题]A receiving host has failed to receive all of the segments that it should acknowledge.What can the host do to improve the reliability of this communication session?

正确答案 ：E

Decrease the window size

解析：解析：Explanation:

[单选题]路由器上，清空路由表的命令是（）

正确答案 ：D

clearip route*

[单选题]对路由器的描述，正确的是（）

正确答案 ：C

多广播域，单冲突域的设备

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