Networking Basics MCQs

Question 1

Which class of IP address has the most host addresses available by default?

Accepted Answer

A

Answer

B

Answer

C

Answer

A and B

Question 2

In a network with dozens of switches, how many root bridges would you have?

Accepted Answer

1

Answer

2

Answer

5

Answer

12

Question 3

What PPP protocol provides dynamic addressing, authentication, and multilink?

Accepted Answer

LCP

Answer

NCP

Answer

HDLC

Answer

X.25

Question 4

What is a stub network?

Accepted Answer

A network that has only one entry and exit point.

Answer

A network with more than one exit point.

Answer

A network with more than one exit and entry point.

Answer

A network with only one entry and no exit point.

Question 5

If your router is facilitating a CSU/DSU, which of the following commands do you need to use to provide the router with a 64000bps serial link?

Accepted Answer

RouterA(config-if)#clock rate 64000

Answer

RouterA(config)#bandwidth 64

Answer

RouterA(config-if)#bandwidth 64000

Answer

RouterA(config-if)#clock rate 64

Question 6

Which one of the following is true regarding VLANs?

Accepted Answer

VTP is used to send VLAN information to switches in a configured VTP domain.

Answer

Two VLANs are configured by default on all Cisco switches.

Answer

VLANs only work if you have a complete Cisco switched internetwork. No off-brand switches are allowed.

Answer

You should not have more than 10 switches in the same VTP domain.

Question 7

What does a VLAN do?

Accepted Answer

Breaks up broadcast domains in a layer 2 switch internetwork.

Answer

Acts as the fastest port to all servers.

Answer

Provides multiple collision domains on one switch port.

Answer

Provides multiple broadcast domains within a single collision domain.

Question 8

What is the main reason the OSI model was created?

Accepted Answer

So different networks could communicate.

Answer

To create a layered model larger than the DoD model.

Answer

So application developers can change only one layer's protocols at a time.

Answer

So Cisco could use the model.

Question 9

How many collision domains are created when you segment a network with a 12-port switch?

Accepted Answer

12

Answer

1

Answer

2

Answer

5