A router with a serial interface will ...

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.

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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

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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.

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单项选择题

What is the subnetwork address for a host with IP address 201.100.5.68/28?（）

A. 201.100.5.0
B. 201.100.5.32
C. 201.100.5.64
D. 201.100.5.65
E. 201.100.5.31
F. 201.100.5.1

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多项选择题

Which of the following statements regarding routed and routing protocols are true?（）

A. A routed protocol is assigned to an interface and determines the method of packet deliver.
B. A routing protocol determines the path of a packet through a network.
C. A routed protocol determines the path of a packet through a network.
D. A routing protocol operates at the transport layer of the OSI model.
E. A routed protocol updates the routing table of a router.

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单项选择题

What should the configuration register value be after successfully completing the password recover procedure and returning the router to normal operation? （）

A.0x2100
B.0x2101
C.0x2102
D.0x2124
E.0x2142

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