Chapter 2

Question 1

Home (Toy) Routers are usually 4 devices in one, what are they?

Answer 1

Router, Switch, Wireless Access Point, Firewall Appliance.

Question 2

What is the purpose of a router?

Answer 2

Forwards data packets to and receives data packets from the Internet

Question 3

What is the purpose of a switch?

Answer 3

Connects end devices using network cables

Question 4

What is the purpose of a Wireless Access Point?

Answer 4

Consists of a radio transmitter capable of connecting end devices wirelessly

Question 5

What is the purpose of a Firewall Appliance?

Answer 5

Secures outgoing traffic and restricts incoming traffic

Question 6

What is the name of the operating system Cisco devices use?

Answer 6

Cisco Internet Operating System (IOS) - Not to be confused with Apple iOS.

Question 7

Where is IOS stored?

Answer 7

A semi-permanent memory area called flash.

Question 8

True / False: Flash Memory will hold its contents even after power has been lost?

Answer 8

True. Flash memory is nonvolatile.

Question 9

In many cisco devices, the IOS Image is copied from the Flash to the ____?

Answer 9

RAM.

Question 10

The most common ways to access the CLI on a cisco device are?

Answer 10

Console Telnet or SSH AUX port

Question 11

User executive mode is commonly referred to as?

Answer 11

User EXEC

Question 12

Privileged executive mode is commonly referred to as?

Answer 12

Privileged EXEC

Question 13

Which mode is the first mode encountered upon entrance into the CLI of an IOS device?

Answer 13

User EXEC

Question 14

True / False: The User EXEC can only perform basic functions and is commonly known as ‘Read Only’?

Answer 14

True.

Question 15

True / False: By default authentication is required to access User EXEC mode.

Answer 15

False, you can configure authentication however.

Question 16

How would you move from User EXEC mode to Privileged EXEC Mode?

Answer 16

The ‘enable’ command

Question 17

What is the purpose of the Privileged EXEC Mode?

Answer 17

The execution of configuration and management commands requires that the network administrator use the privileged EXEC mode or a more specific mode in the hierarchy.

Question 18

What command can you use to move back between modes?

Answer 18

The ‘exit’ command

Question 19

A ______ address is defined as a reserved address that routes packets back to the host.

Answer 19

loopback

Question 20

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

Answer 20

service password-encryption

Question 21

What is the boot sequence of a router?

Answer 21

1. POST( Power on self test).
2. The bootstrap looks for and loads the Cisco IOS software.
3. The IOS software looks for a valid configuration file stored in NVRAM.
4. If a startup-config file is in NVRAM, the router will load and run this file.