Data Questions

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161.

A _______ LAN allows several LANs to be connected.

A

backbone

B

wireless

C

wired

D

none of the above

Correct Answer: A

None.

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162.

A backbone is usually a ______.

A

bus

B

star

C

either (a) or (b)

D

neither (a) nor (b)

Correct Answer: C

None.

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163.

A virtual local area network (VLAN) is configured by _________

A

software

B

physical wiring

C

hardware

D

none of the above

Correct Answer: A

None.

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164.

Membership in a VLAN can be based on _________.

A

port numbers

B

MAC addresses

C

IP addresses

D

all of the above

Correct Answer: D

None.

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165.

. VLANs can_________.

A

reduce network traffic

B

provide an extra measure of security

C

either (a) or (b)

D

both (a) and (b)

Correct Answer: D

None.

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166.

_________ is just a connector

A

An active hub

B

A passive hub

C

either (a) or (b)

D

neither (a) nor (b)

Correct Answer: B

None.

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167.

In a star-topology Ethernet LAN, _______ is just a point where the signals coming from different stations collide; it is the collision point.

A

An active hub

B

A passive hub

C

either (a) or (b)

D

neither (a) nor (b)

Correct Answer: B

None.

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168.

A _______ is a device that operates only in the physical layer.

A

passive hub

B

repeater

C

bridge

D

router

Correct Answer: B

None.

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169.

A ________receives a signal and, before it becomes too weak or corrupted, regenerates the original bit pattern. It then sends the refreshed signal.

A

passive hub

B

repeater

C

bridge

D

router

Correct Answer: B

None.

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170.

________ is actually a multiport repeater. It is normally used to create connections between stations in a physical star topology

A

An active hub

B

A passive hub

C

either (a) or (b)

D

neither (a) nor (b)

Correct Answer: A

None.

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