Which tasks can be accomplished by using the command history feature? (Choose two.)

• View a list of commands entered in a previous session.

• Recall up to 15 command lines by default.

• Set the command history buffer size.

• Recall previously entered commands.

• Save command lines in a log file for future reference.

What is the first action in the boot sequence when a switch is powered on?

• Load the default Cisco IOS software

• Load boot loader software

• Low-level CPU initialization

• Load a power-on self-test program

What must an administrator have in order to reset a lost password on a router?

• A TFTP server

• A crossover cable

• Access to another router

• Physical access to the router

When configuring a switch for SSH access, what other command that is associated with the login local command is required to be entered on the switch?

• enable secret password

• password password

• username username secret secret

• login block-for seconds attempts number within seconds

Which command displays information about the auto-MDIX setting for a specific interface?

• show interfaces

• show controllers

• show processes

• show running-config

If one end of an Ethernet connection is configured for full duplex and the other end for half duplex, where would late collisions be observed?

• On both ends of the connection

• On the full-duplex end

• Only on serial interfaces

• On the half-duplex end

Which command is used to set the BOOT environment variable that defines where to find the IOS image file on a switch?

• config-register

• boot system

• boot loader

• confreg

What does a switch use to locate and load the IOS image?

• BOOT environment variable

• IOS image file

• POST

• startup-config

• NVRAM

Which protocol adds security to remote connections?

• FTP

• HTTP

• NetBEUI

• POP

• SSH

What is a characteristic of an IPv4 loopback interface on a Cisco IOS router?

• The no shutdown command is required to place it in an UP state.

• It is a logical interface internal to the router.

• Only one loopback interface can be enabled.

• It is assigned to a physical port.