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Q.

In a _____ backbone, the backbone is just one switch

A

bus

B

ring

C

star

D

none of the above

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MCQ

1.

In ______, the chance of collision can be reduced if a station senses the medium before trying to use it.

A

MA

B

CSMA

C

FDMA

D

CDMA

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2.

Some new two-layer switches, called _______ switches, have been designed to forward the frame as soon as they check the MAC addresses in the header of the frame

A

cut-through

B

go-through

C

come-through

D

none of the above

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3.

In IEEE 802.11, a station with ________ mobility is either stationary (not moving) or moving only inside a BSS.

A

no-transition

B

BSS-transition

C

ESS-transition

D

none of the above

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4.

SONET has defined a hierarchy of signals called ________

A

STSs

B

STMs

C

either (a) or (b)

D

neither (a) nor (b)

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5.

The access method in Bluetooth is ________

A

FDMA

B

TDD-TDMA

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D

none of the above

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