正确答案: D

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

题目：The Ezonexam network administrator has issued the "VTP password ezonexam" command on a Cisco device. What is the purpose of this command?

解析：D

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举一反三的答案和解析：

[单选题]RIP路由协议认为“网络不可到达”的跳数是：()

16

[单选题]On the topic of VLSM, which one of the following statements best describes the concept of the route aggregation?

Combining routes to multiple networks into one supernet.

解析：解析：Explanation:

[单选题]How can a Ezonexam administrator determine if a router has been configured when it is first powered up?

An un configured router goes into the setup dialog

解析：解析：Explanation:

[单选题]介质工作在OSI的哪一层（）

物理层

[多选题]You need to configure an 802.1Q link on a Ezonexam switch. Which commands, when used together, would do this? (Select two answer choices)

Switch(config-if) switchport mode trunk

Switch(config-if) switchport trunk encapsulation dot1q

解析：C,D 解析：Explanation: