Chapter 2 Quiz

What command will prevent all unencrypted passwords from displaying in plain text in a configuration file?

(config)# service password-encryption

An administrator has just changed the IP address of an interface on an IOS device. What else must be done in order to apply those changes to the device?

Nothing must be done. Changes to the configuration on an IOS device take effect as soon as the command is typed correctly and the Enter key has been pressed.

How is SSH different from Telnet?

SSH provides security to remote sessions by encrypting messages and using user authentication. Telnet is considered insecure and sends messages in plaintext.

Which device acts as a gateway to allow hosts to send traffic to remote IP networks?

local router

Which two statements are true regarding the user EXEC mode? (Choose two.)

1) The device prompt for this mode ends with the ">" symbol. 2) Only some aspects of the router configuration can be viewed.

Passwords can be used to restrict access to all or parts of the Cisco IOS. Select the modes and interfaces that can be protected with passwords. (Choose three.)

1) VTY interface 2) privileged EXEC mode 3) console interface

Which two functions are provided to users by the context-sensitive help feature of the Cisco IOS CLI? (Choose two.)

1) displaying a list of all available commands within the current mode 2) determining which option, keyword, or argument is available for the entered command

When a hostname is configured through the Cisco CLI, which three naming conventions are part of the guidelines? (Choose three.)

1) the hostname should contain no spaces 2) the hostname should be fewer than 64 characters in length 3) the hostname should begin with a letter

True or False? Mobile devices do not require IP addresses to communicate on the Internet.

False

A technician configures a switch with these commands: SwitchA(config)# interface vlan 1 SwitchA(config-if)# ip address 192.168.1.1 255.255.255.0 SwitchA(config-if)# no shutdown What is the technician configuring?

SVI

Fill in the blank. The component of the operating software that provides the user interface is called the (blank)

Shell

To save time, IOS commands may be partially entered and then completed by typing which key or key combination?

Tab

An IT technician has manually configured an IP address on a laptop for a new employee. Each time the employee tries to connect to the LAN, the employee receives a duplicate IP address error message. What can the company do to prevent this situation from arising again?

Use DHCP to automatically assign addresses.

Fill in the blank. In order to test end-to-end connectivity, you would use the (blank) command.

ping

Why would a technician enter the command copy startup-config running-config?

to copy an existing configuration into RAM