Chapter 10

A router boots without any preconfigured commands. What is the reason for this?

• The IOS image is corrupt.

• Cisco IOS is missing from flash memory.

• The configuration file is missing from NVRAM.

• The POST process has detected hardware failure.

Which command is used to encrypt all passwords in a router configuration file?

• Router_A(config)# enable secret

• Router_A(config)# service password-encryption

• Router_A(config)# enable password

• Router_A(config)# encrypt password

Company policy requires you to use the most secure method to safeguard access to the privileged EXEC and configuration mode on the routers. The privileged EXEC password is trustknow1. Which of the following router commands achieves the goal of providing the highest level of security?

• secret password trustknow1

• enable password trustknow1

• service password-encryption

• enable secret trustknow1

What will be the command prompt from the router after the command router(config)# hostname portsmouth is entered?

• ? command not recognized

  Router(config)#

• invalid input detected

• hostname portsmouth#

• portsmouth#

• portsmouth(config)#

An administrator is configuring a new router to permit out-of-band management access. Which set of commands will allow the required login using the password cisco?

• Router(config)# line vty 0 4

  Router(config-line) password manage

  Router(config-line) exit

  Router(config)# enable password cisco

• Router(config)# line vty 0 4

  Router(config-line) password cisco

  Router(config-line) login

•     Router(config)# line console 0

   Router(config-line) password cisco

  Router(config-line) login

• Router(config)# line console 0

  Router(config-line) password cisco

  Router(config-line) exit

  Router(config)# service password-encryption

Which command can be used on a Cisco router to display all interfaces, the IPv4 address assigned, and the current status?

• show ip interface brief

• ping

• show ip route

• show interface fa0/1

Which CLI mode allows users to access all device commands, such as those used for configuration, management, and troubleshooting?

• user EXEC mode

• privileged EXEC mode

• global configuration mode

• interface configuration mode

What is the purpose of the startup configuration file on a Cisco router?

• It facilitates the basic operation of the hardware components of a device.

• It contains the commands that are used to initially configure a router on startup.

• It contains the configuration commands that the router IOS is currently using.

• It provides a limited backup version of IOS, in case the router cannot load the full-featured IOS.

Which characteristic describes the default gateway of a host computer?

•   the logical address of the router interface on the same network as the host computer

• the physical address of the switch interface connected to the host computer

•   the physical address of the router interface on the same network as the host computer

• the logical address assigned to the switch interface connected to the router

What is the purpose of the banner motd command?

• It configures a message that identifies printed documents to LAN users.

• Routers use it to communicate the status of their links with one another.

• It provides an easy way of communicating with any user attached to a router's LAN.

• It provides a way to make announcements to those who log in to a router.