CS601 QUIZ # 3 Solution

CS601- Data Communication

Quiz No.3 solution

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Question # 1 of 10 ( Start time: 11:18:09 PM )     Total Marks: 1
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Speed of light in a vacuum

1. 200000 Km/sec
2. 300000 Km/sec
3. 600000 Km/sec
4. None of Given

Answer: 2

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Question # 2 of 10 ( Start time: 11:19:03 PM )     Total Marks: 1
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Multiplexing is the set of techniques that allows simultaneous TX of multiple signals across a___________ data link

1. Single
2. Double
3. Multi
4. None of the given

Answer: 1

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Question # 3 of 10 ( Start time: 11:19:30 PM )     Total Marks: 1
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A traditional telephone line has a bandwidth of __________.

1.  2000 Hz
2. 4000 Hz
3. 2000 MHz
4. 4000 MHz

Answer: 1

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 Question # 4 of 10 ( Start time: 11:19:50 PM )     Total Marks: 1
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Mechanical specifications of _________ define a combination of two connectors , on with 37 pins and one with 9 pins for a combined 46 pins.

1. EIA 558
2. EIA 854
3. EIA 302
4. EIA 448

 Answer: 4

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 Question # 5 of 10 ( Start time: 11:20:15 PM )     Total Marks: 1
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A ______________ modem is used to connect two DTEs directly.

1. NULL
2. Cable
3. DSL
4. None of the given

 Answer: 1

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 Question # 6 of 10 ( Start time: 11:20:39 PM )     Total Marks: 1
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TROPOSHERE is the layer of atmosphere above the troposhere but below space

1. True
2. False

 Answer: 2

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Question # 7 of 10 ( Start time: 11:20:30 PM )     Total Marks: 1
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Effective bandwidth of telephone line used for data transmission is 2400 Hz covering a range from 600 Hz to 3000 Hz.

1. 1500 Hz
2. 1200 Hz
3. 2000 Hz
4. 2400 Hz

 Answer: 4

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Question # 8 of 10 ( Start time: 11:20:50 PM )     Total Marks: 1
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Bandwidth required for the ASK is equal to the __________ of the signal.

1. Baud rate
2. Frequency
3. Period
4. Phase

Answer: 1

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Question # 9 of 10 ( Start time: 11:21:06 PM )     Total Marks: 1
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TROPOSHERE is the portion of the atmosphere extending outwards approx. 30 miles from the earth

1.  True
2. False

 Answer: 1

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Question # 10 of 10 ( Start time: 11:21:21 PM )     Total Marks: 1
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WDM stands for

1. Wave Division Multiplexing
2. Wrong Division Multiplexing
3. Well Division Multiplexing
4. West Division Multiplexing

 Answer: 1

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