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Q.

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

A

passive hub

B

repeater

C

bridge

D

router

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MCQ

1.

In IEEE 802.11, a ___ is made of stationary or mobile wireless stations and an optional central base station, known as the access point (AP).

A

ESS

B

BSS

C

CSS

D

none of the above

Discussion

MCQ

2.

In IEEE 802.11, a station with ________ mobility can move from one ESS to another.

A

no-transition

B

BSS-transition

C

ESS-transition

D

none of the above

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3.

In Frame Relay, when a _____ is selected, the corresponding table entry is recorded for all switches by the administrator

A

PVC

B

SVC

C

either (a) or (b)

D

neither (a) nor (b)

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4.

The VPI of a UNI is _______ bits in length

A

8

B

12

C

16

D

24

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5.

A backbone is usually a ______.

A

bus

B

star

C

either (a) or (b)

D

neither (a) nor (b)

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