CS601 Data Communication Solved Quiz No. 3 Solutions Spring Fall 2014

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CS601 Data Communication Solved Quiz No. 3 Solutions Spring Fall 2014


QUIZ # 3>>>>>>>>>>>>>

Question # 1 of

Multiplexing is the set of techniques that allows simultaneous TX of multiple signals across a

___________ data link

Select correct option:

Single *
Double
Multi
None of the given

Question # 2 of 10

TROPOSHERE is the portion of the atmosphere extending outwards approx. 30 miles from the earth

Select correct option:

True *
False

Question # 3 of 10

Speed of light in a vacuum

Select correct option:

200000 Km/sec
300000 Km/sec *
600000 Km/sec
None of Given

Question # 4 of 10

A traditional telephone line has a bandwidth of __________.

Select correct option:

2000 Hz *
4000 Hz
2000 MHz
4000 MHz

Question # 5 of 10

Mechanical specifications of _________ define a combination of two connectors , on with 37 pins and

one with 9 pins for a combined 46 pins.

Select correct option:

EIA 854
EIA 558
EIA 302
EIA 448 *

Question # 6 of 10

STP can eliminate a phenomenon called Crosstalk

Select correct option:

True *
False

Question # 7 of 10

A ______________ modem is used to connect two DTEs directly.

Select correct option:

NULL *
Cable
DSL
None of the given

Question # 8 of 10

TROPOSHERE is the layer of atmosphere above the troposphere but below space

Select correct option:

True
False *

Question # 9 of 10

Effective bandwidth of telephone line used for data transmission is 2400 Hz covering a range from 600

Hz to 3000 Hz.

Select correct option:

1500 Hz
1200 Hz
2000 Hz
2400 Hz *
Question # 10 of 10

Bandwidth required for the ASK is equal to the __________ of the signal.
Select correct option:
Baud rate *
Frequency
Period
Phase