When is a switched network that is running the Spanning Tree

【名词&注释】

服务器(server)、配置文件(configuration file)、交换机的配置

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

A. when all switches have the same BID as the root switch
B. when all switches have received the MAC address of each neighboring switch
C. when every enabled switch port has been assigned a unique identifier
D. when every operating switch port is in either the blocking or forwarding state
E. when all switches are in either client, server, or transparent mode

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学习资料：

[单选题]在启用IGRP协议时，所需要的参数是：()

A. 网络掩码
B. 子网号
C. 自治系统号
D. 跳数

[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（）

A. copy ios tftp
B. copy running-configt ftp
C. copy flash tftp
D. copy config tftp

[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:

A. Ezonexam(config) ip nat inside source static 192.168.2.1
B. 198.18.1.254
C. You unsuccessfully try to ping the Internet from a PC host on the LAN. During the troubleshooting process, you enter the "show ip nat translations" command but the output is blank.
D. What is the most likely cause of the problem?
E. The keyword overload is missing from the command.
F. The NAT pool must be defined first.
G. An access list must be defined to create static NAT translations.
H. The interfaces must be configured for NAT.
I. None of the above

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

A. To boot the IOS from ROM
B. To reset the console password
C. To upload a new version of the configuration file
D. To upload a new version of the IOS
E. To allow a new memory upgrade to be recognized by the router

[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?

A. ROM Monitor mode
B. SETUP mode
C. Autoflash mode
D. RXBOOT mode
E. None of the above

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