Data Questions

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201.

. ______ is an analog cellular phone system using FDMA.

A

AMPS

B

D-AMPS

C

GSM

D

none of the above

Correct Answer: A

None.

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202.

In AMPS, each band is divided into ______ channels

A

800

B

900

C

1000

D

none of the above

Correct Answer: D

None.

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203.

AMPS has a frequency reuse factor of _______

A

1

B

3

C

5

D

7

Correct Answer: D

None.

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204.

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

A

FDMA

B

TDMA

C

CDMA

D

none of the above

Correct Answer: A

None.

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205.

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

A

FDMA

B

TDMA

C

CDMA

D

both (a) and (b)

Correct Answer: D

None.

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206.

GSM allows a reuse factor of _______

A

1

B

3

C

5

D

7

Correct Answer: B

None.

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207.

GSM is a digital cellular phone system using ________

A

FDMA

B

TDMA

C

CDMA

D

both (a) and (b)

Correct Answer: D

None.

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208.

IS-95 is based on ____________

A

FDMA

B

CDMA

C

DSSS

D

all of the above

Correct Answer: D

None.

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209.

IS-95 uses the ISM _______band

A

800-MHz

B

900-MHz

C

1900-MHz

D

either (a) or (c)

Correct Answer: D

None.

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210.

IS-95 uses the _______ satellite system for synchronization

A

GPS

B

Teledesic

C

Iridium

D

none of the above

Correct Answer: A

None.

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