多项选择题

Which connections allow the use of full-duplex Ethernet?（）

A. Switch to host
B. Switch to switch
C. Hub to hub
D. Switch to hub
E. Host to host

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单项选择题

What is the purpose of pressing the Ctrl+Break keys during the router password recover procedure?（）

A. To restart the router.
B. To bypass the configuration in Flash.
C. To view the password before changes are made.
D. To bypass setup configuration mode.
E. To access ROM Monitor mode.

多项选择题

Five minutes after issuing the show running-config command, a technician enters the command again and notices that several access list statements have been altered. Because of this, the technician believes that the router is being configured by an unknown person through Telnet. Before changing the router passwords, the technician would like to discover if anyone is connected to the router by Telnet and stop them from making further changes.
Which commands will accomplish these options?（）

A. show hosts
B. show sessions
C. show connections
D. disconnect
E. CTRL+SHIFT+6x
F. exit

多项选择题

An administrator would like to configure a switch over a virtual terminal connection from locations outside of the local LAN. Which of the following are required in order for the switch to be configured from a remote location? （）

A. The switch must be configured with an IP address, subnet mask, and default gateway.
B. The switch must be connected to a router over a VLAN trunk.
C. The switch must be reachable through a port connected to its management VLAN.
D. The switch console port must be connected to the Ethernet LAN.
E. The switch management VLAN must be created and have a membership of at least one switch port.
F. The switch must be fully configured as an SMTP agent.