CCNA 1 Module 10 Quiz – Basic Router Configuration Answers

1. What is the purpose of the banner motd command?

  • It configures a message that will identify printed documents to LAN users.
  • It is a way that routers communicate the status of their links with oneanother.
  • It provides an easy way of communicating with any user attached to a router’s LANs.
  • It provides a way to make announcements to those who log in to a router.

Explanation: The banner motd command is used to display a message when a user attempts to log into the router.

2. A technician is configuring a router to allow for all forms of management access. As part of each different type of access, the technician is trying to type the command login. Which configuration mode should be entered to do this task?

  • user executive mode
  • global configuration mode
  • any line configuration mode
  • privileged EXEC mode

Explanation: The command login is used to allow access to a router or switch through aux lines, console lines, and Telnet lines.

3. What is stored in the NVRAM of a Cisco router?

  • the Cisco IOS
  • the running configuration
  • the bootup instructions
  • the startup configuration

Explanation:
The Cisco IOS is stored in flash.
The running configuration file is stored in RAM.
The bootup instructions are stored in ROM.
The startup configuration file is stored in NVRAM.

4. Which statement regarding the service password-encryption command is true?

  • It is configured in privileged EXEC mode.
  • It encrypts only line mode passwords.
  • As soon as the service password-encryption command is entered, all currently set passwords formerly displayed in plain text are encrypted.
  • To see the passwords encrypted by the service password-encryption command in plain text, issue the no service password-encryption command.

Explanation: The command service password-encryption is used to encrypt all the clear text passwords in the running-configuration file.

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

Explanation: The VTY lines are the Virtual Terminal lines of the router, used solely to control inbound Telnet connections while console 0 is the physical console port on the switch/router you plug into. The line vty command is used to remote configure access into the switch/router via telnet or ssh.

6. 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

Explanation: The show ip interface brief command can be used on a Cisco router to display all interfaces, the IPv4 address assigned, and the current status.

7. 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

Explanation: The command Router#configure terminal allows a user to enter the privileged mode from where the configuration,management and troubleshooting commands can be accessed.

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

  • to facilitate the basic operation of the hardware components of a device
  • to contain the commands that are used to initially configure a router on startup
  • to contain the configuration commands that the router IOS is currently using
  • to provide a limited backup version of the IOS, in case the router cannot load the full featured IOS

Explanation: The startup configuration file is stored in NVRAM and contains the commands needed to initially configure a router. It also creates the running configuration file that is stored in in RAM.

9. 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

Explanation: The default gateway is the IP address of an interface on the router on the same network as the sending host.

10. A router boots and enters setup mode. 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.

Explanation: If a router cannot locate the startup-config file in NVRAM it will enter setup mode to allow the configuration to be entered from the console device.

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

  • Router_A (config)# enable secret <password>
  • Router_A (config)# service password-encryption
  • Router_A (config)# enable password <password>
  • Router_A (config)# encrypt passwor

Explanation: The command service password-encryption is used to encrypt and secure plain-text passwords configured on a router.

12. Company policy requires using 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

Explanation: The command service password-encryption is used to encrypt and secure plain-text passwords configured on a router

13. What will be the response from the router after the command, “router(config)# hostname portsmouth” is entered?

  • portsmouth#
  • portsmouth(config)#
  • invalid input detected
  • router(config-host)#
  • hostname = portsmouth portsmouth#
  • ? command not recognized router(config)#

Explanation: The command hostname portsmouth is used to change the current router name to portsmouth.


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