Nework Layer Routing Questions

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31.

In OSPF, a _______ link is a network with several routers attached to it.

A

point-to-point

B

transient

C

stub

D

none of the above

Correct Answer: B

None.

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32.

In OSPF, a ________ link is a network is connected to only one router.

A

point-to-point

B

transient

C

stub

D

none of the above

Correct Answer: C

None.

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33.

In OSPF, when the link between two routers is broken, the administration may create a _________ link between them using a longer path that probably goes through several routers

A

point-to-point

B

transient

C

stub

D

none of the above

Correct Answer: D

None.

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34.

In ________ routing, we assume that there is one node (or more) in each autonomous system that acts on behalf of the entire autonomous system

A

distant vector

B

path vector

C

link state

D

none of the above

Correct Answer: B

None.

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35.

______ is an interdomain routing protocol using path vector routing

A

BGP

B

RIP

C

OSPF

D

none of the above

Correct Answer: A

None.

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36.

To create a neighborhood relationship, a router running BGP sends an ________ message

A

open

B

update

C

keepalive

D

none of the above

Correct Answer: A

None.

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37.

An area is _______

A

part of an AS

B

composed of at least two ASs

C

another term for an AS

D

none of the above

Correct Answer: A

None.

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38.

A one-to-all communication between one source and all hosts on a network is classified as a _______ communication.

A

unicast

B

multicast

C

broadcast

D

none of the above

Correct Answer: C

None.

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39.

A one-to-many communication between one source and a specific group of hosts is classified as a _______ communication.

A

unicast

B

multicast

C

broadcast

D

none of the above

Correct Answer: B

None.

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40.

. A one-to-one communication between one source and one destination is classified as a _______ communication.

A

unicast

B

multicast

C

broadcast

D

none of the above

Correct Answer: A

None.

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