Networking - Networking Basics

Exercise :: Networking Basics - Networking Basics

  • Networking Basics - Networking Basics
26. 

What does a VLAN do?

A. Acts as the fastest port to all servers.
B. Provides multiple collision domains on one switch port.
C. Breaks up broadcast domains in a layer 2 switch internetwork.
D. Provides multiple broadcast domains within a single collision domain.

Answer: Option C

Explanation:

VLANs break up broadcast domains at layer 2.

27. 

What is the main reason the OSI model was created?

A. To create a layered model larger than the DoD model.
B. So application developers can change only one layer's protocols at a time.
C. So different networks could communicate.
D. So Cisco could use the model.

Answer: Option C

Explanation:

The primary reason the OSI model was created was so that different networks could inter-operate.

28. 

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

A. 1
B. 2
C. 5
D. 12

Answer: Option D

Explanation:

Layer 2 switching creates individual collision domains.

29. 

What command will display the line, protocol, DLCI, and LMI information of an interface?

A. sh pvc
B. show interface
C. show frame-relay pvc
D. show run

Answer: Option B

Explanation:

The show interface command shows the line, protocol, DLCI, and LMI information of an interface.

30. 

Which protocol does Ping use?

A. TCP
B. ARP
C. ICMP
D. BootP

Answer: Option C

Explanation:

ICMP is the protocol at the Network layer that is used to send echo requests and replies.