正确答案: D

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

题目：When is a switched network that is running the Spanning Tree Protocol considered to be fully converged?

解析：解析：Explanation:

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学习资料的答案和解析：

[单选题]在启用IGRP协议时，所需要的参数是：()

自治系统号

[单选题]要把交换机的配置文件保存到tftp服务器，应使用的命令为（）

copy running-configt ftp

[多选题]You have just installed a new web server on the Ezonexam network. You are required to ensure that the web server is accessible from the Internet. The network uses private addressing, so an IP-to-registered address mapping is required.To do this, you enter the following command:

Ezonexam(config) ip nat inside source static 192.168.2.1

The interfaces must be configured for NAT.

解析：解析：Explanation:

[单选题]Why might the Ezonexam network administrator set the configuration register to 0x2142 on a 2600 series Cisco router?

To reset the console password

解析：解析：Explanation:

[单选题]You have just purchased a brand new router and wish to have the router prompt you through the initial configuration commands. Which router mode does this describe?

SETUP mode

解析：解析：Explanation: