LAN Switching and Wireless

81. _________ uses two pairs of twisted-pair cable.

1. 100Base-TX
2. 100Base-FX
3. 100Base-T4
4. none of the above

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82. _________ utilization is the use of available bandwidth to achieve specific goals.

1. Frequency
2. Bandwidth
3. Amplitude
4. None of the above

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83. _________ was designed as an alternative to the T-1 line.

1. VDSL
2. ADSL
3. SDSL
4. HDSL

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84. __________ is a digital version of AMPS.

1. GSM
2. D-AMPS
3. IS-95
4. none of the above

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85. __________ is a first-generation cellular phone system.

1. AMPS
2. D-AMPS
3. GSM
4. none of the above

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86. __________ is a second-generation cellular phone system based on CDMA and DSSS.

1. GSM
2. D-AMPS
3. IS-95
4. none of the above

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87. __________ is a second-generation cellular phone system used in Europe.

1. GSM
2. D-AMPS
3. IS-95
4. none of the above

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88. __________ is a second-generation cellular phone system.

1. AMPS
2. D-AMPS
3. GSM
4. none of the above

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89. __________ is an analog cellular phone system using FDMA.

1. AMPS
2. D-AMPS
3. GSM
4. none of the above

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90. __________ is based on a principle called trilateration.

1. GPS
2. Teledesic
3. Iridium
4. none of the above

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