Networking Basics

What is a stub network?

A:

A network with more than one exit point.

B:

A network with more than one exit and entry point.

C:

A network with only one entry and no exit point.

D:

A network that has only one entry and exit point.

Answer: D

Stub networks have only one connection to an internetwork. Only default routes can be set on a stub network or network loops may occur.

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

A:

NCP

B:

HDLC

C:

LCP

D:

X.25

Answer: C

Link Control Protocol in the PPP stack provides dynamic addressing, authentication, and multilink.

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

A:

1

B:

2

C:

5

D:

12

Answer: A

You should have only one root bridge per network.

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

A:

A

B:

B

C:

C

D:

A and B

Answer: A

Class A addressing provides 24 bits for host addressing.

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Which router command allows you to view the entire contents of all access lists?

A:

show all access-lists

B:

show access-lists

C:

show ip interface

D:

show interface

Answer: B

To see the contents of all access lists, use the show access-lists command.

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Questions for: Networking Basics