Data Questions

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71.

In the _________ method, a special packet called a ______ circulates through the ring.

A

reservation: control frame

B

polling: poll request

C

token passing: token

D

none of the above

Correct Answer: C

None.

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72.

_______ is a multiple-access method in which the available bandwidth of a link is shared in time, frequency, or through code, between different stations

A

Random access

B

Controlled access

C

Channelization

D

none of the above

Correct Answer: C

None.

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73.

. We discussed ________ channelization protocols

A

two

B

three

C

four

D

none of the above

Correct Answer: B

None.

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74.

In ________, the available bandwidth is divided into frequency bands.

A

FDMA

B

TDMA

C

CDMA

D

none of the above

Correct Answer: A

None.

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75.

In ______, each station is allocated a band to send its data. In other words, each band is reserved for a specific station, and it belongs to the station all the time.

A

FDMA

B

TDMA

C

CDMA

D

none of the above

Correct Answer: A

None.

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76.

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

A

FDMA

B

TDMA

C

CDMA

D

none of the above

Correct Answer: B

None.

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77.

In _____, each station is allocated a time slot during which it can send data. Each station transmits its data in its assigned time slot.

A

FDMA

B

TDMA

C

CDMA

D

none of the above

Correct Answer: B

None.

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78.

In _____, each station transmits its data in its assigned time slot

A

FDMA

B

TDMA

C

CDMA

D

none of the above

Correct Answer: B

None.

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79.

In ______, the stations use different codes to achieve multiple access.

A

FDMA

B

TDMA

C

CDMA

D

none of the above

Correct Answer: C

None.

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80.

_______ is based on coding theory and uses sequences of numbers called chips

A

FDMA

B

TDMA

C

CDMA

D

none of the above

Correct Answer: C

None.

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