Cisco IOS Command Line Basics practice exam for Cisco CCNA certification

The Cisco CCNA certification requires that you are completely familiar with the Cisco IOS command line. CCNA certification practice exams are a great way to prepare for the Cisco CCNA certification and for jobs that will require you to configure, install, maintain, and even recover the use of Cisco routers and switches. This free practice exam will help you to know the Cisco command line well enough that you can productively apply your Cisco networking knowledge to the router command line console. The Cisco CCNA certification is an entry level certification which will equip you for the type of work that requires extensive use of the Cisco command line.

The Cisco IOS runs on most Cisco routers. The IOS offers services such as the security of access control, scalability for network growth, network reliability, and carrying network protocols. What is another function of the Cisco IOS?

1. High speed connectivity between devices.
2. No user replacement parts.
3. A user interface designed to keep out network hacks.
4. None of the above.

Upon removing the router from the box, where would you connect to it in order to configure it for first time use?

1. Aux port.
2. Serial port.
3. Telnet to a vty.
4. Console port.

What causes a router to go into setup mode when booting?

1. A user has hit Ctrl+Break in the first 60 seconds and typed in the command "Setup".
2. The startup-config[uration] file was not found in NVRAM.
3. The mini IOS was unable to locate the IOS image file in flash memory.
4. The router failed the "Power On Self Test" or POST.

What action would you take at each prompt, as you step through the configuration dialog in setup, to accept the default configuration choice?

1. Press Y and hit Enter.
2. Press N and hit Enter.
3. Hit Enter.
4. Type Yes and hit Enter.

Identify the enable mode prompt.

1. Router>#
2. Router>
3. Router#]
4. Router#

Which CLI command allows you to make changes to the startup-config file?

1. Router# config terminal
2. Router# config memory
3. Router# config network
4. Router# config global

Identify the ethernet 0 interface configuration prompt.

1. Router(config-if)#
2. Router(config-int)#
3. Router(config-int-e0)#
4. Router(config-if)#]

Syntax help for a command is available by using which command?

1. Router# sh?
2. Router> show ?
3. Router# ?
4. Router> help show

A labor saving, or command editing quick fill feature of the IOS is activated by which key stroke.

1. Ctrl+F.
2. Ctrl+T.
3. TAB.
4. Backspace.

Which editing keystroke will move the cursor from its current location, back to the beginning of the line?

1. Ctrl+B.
2. Ctrl+F.
3. Esc+B.
4. Ctrl+A.

Which editing keystroke will move the cursor from its current location, forward to the end of the line?

1. Ctrl+F.
2. Ctrl+E.
3. Ctrl+Z.
4. Esc+F.

What does the following prompt mean?

Router(config-if)#$ command syntax typed in here...

1. The current line being edited is too long to display, it has reached the end of the right margin and has been automatically scrolled 10 spaces to the left.
2. You are using a $pecial enhanced editing feature.
3. You are in interface configuration mode.
4. The current line being edited was retrieved from the history buffer.

You are working on a router configuration that requires repeating commands from a list of approximately 15. Rather than type them all repeatedly, you can expand the buffer that holds the list of previously typed commands by using which command?

 
1. Router> input history size 15.
2. Router# terminal buffer size 15.
3. Router> terminal history size 15.
4. Router> history buffer size 15.

Which keystroke will erase an entire line while editing?

1. Ctrl+E.
2. Ctrl+U.
3. Esc+E
4. Ctrl+D.

Which keystroke will move the cursor back one word from its current position?

1. Esc+P.
2. Ctrl+P.
3. Esc+B.
4. Ctrl+B.

Which error message indicates the place in the last command where there is an error?

1. % invalid input detected at '^' marker.
2. % ambiguous command at '^' marker.
3. % incomplete command.
4. % incorrect input detected at '^' marker.

Assuming you are looking for a command that starts with the letter "i"; to display a list of commands that start with that letter, which command would you type?

1. Router# help i
2. Router show i?
3. Router# i ?
4. Router# i?

Identify the sub-interface configuration mode prompt.

1. Router(config-subif)>
2. Router(config-subif)# 
3. Router(config-subint)#
4. Router(config-subint)>

You can leave enabled (privileged executable) mode by using which command?

1. Router# leave enable
2. Router# no enable
3. Router# stop enable
4. Router# disable

The command to configure terminal sessions on a Cisco router is:

 
1. Router(config)# line vty 0 4
2. Router(config)# vty 0 4
3. Router(config)# terminal 0 4
4. Router(config)# line terminal 0 4

The command to enter to configure console port sessions is:

1. Router(config)# line console vty 0
2. Router(config)# line console terminal 0
3. Router(config)# line console 0
4. Router(config)# line terminal console 0

The command to set the login password for terminal sessions on a Cisco router is:

1. Router(config-line)# enable password mypasswd
2. Router(config-line)# password mypasswd
3. Router(config-line)# set password mypasswd
4. Router(config-line)# set enable password mypasswd

One way to set the privilege mode password is with the command "enable password". How would you encrypt the privilege mode password without affecting all the other passwords for other levels of access.

1. enable password level 1
2. enable password
3. enable secret
4. enable password level 15

How can you guarantee that the passwords in the configuration file would not be visible to anyone who might have access to the backup copies?

1. Use the "service password-encryption" command.
2. Use the "service password encryption" command.
3. Use the "enable secret passwords" command.
4. Use the "secret" in every password command.

The router's name can be set by using which command?

1. Router(config-router)# hostname myrouter
2. Router(config)# localhost myrouter
3. Router(config)# ip host myrouter
4. Router(config)# hostname myrouter