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Q.

In the _______ method, the stations in a network are organized in a logical ring.

A

reservation

B

polling

C

token passing

D

none of the above

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MCQ

1.

________ 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)

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2.

The IEEE 802.3 Standard defines _________ CSMA/CD as the access method for first-generation 10-Mbps Ethernet.

A

1-persistent

B

p-persistent

C

non-persistent

D

none of the above

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3.

In _______, the stations share the bandwidth of the channel in time.

A

FDMA

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TDMA

C

CDMA

D

none of the above

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4.

AMPS uses ______ to divide each 25-MHz band into channels

A

FDMA

B

TDMA

C

CDMA

D

none of the above

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5.

AMPS operates in the ISM _____ band

A

800-MHz

B

900-MHz

C

1800-MHz

D

none of the above

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