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Computer Networks
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Course Name
BSc IT (Bachelor of Science in Information Technology)
Subject Code BT0072 (Computer Networks )
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PART - A
PART - B
PART - C
Subject : Computer Networks
BT0072 : PART - C
| Q. 1 | ___ points are not true for fiber optic
cables
a) Can be used over distance up to 2
kilometers
b) cheap and invaluable for situations, where
large amount of interference is present.
c) Fiber optic cable are made of glass fiber |
| | A) | a, b, c, d, e |
| B) | b, d, e | | C) | a, c, d | | D) | None of the above | | | | | Q. 2 | Match Set A with Set B
Set-A
a) Application layer
b) Physical layer
c) Data link layer
d) Session layer
e) Presentation layer
Set-B
1) Does Data Encryption
2) Responsible for providing frame
acknowledge for frames i |
| | A) | a)-5), b)-4), c)-3), d)-2), e) 1) |
| B) | a)-4), b)-5), c)-3), d)-2), e) 1) | | C) | a)-3), b)-4), c)-5), d)-2), e) 1) | | D) | a)-5), b)-4), c)-2), d)-3), e) 1) | | | | | Q. 3 | Given the distance of the obstacle from
the transmitter, d, = 20 km. And the third FZ
clearance = 40 meters. Find the distance of the
obstacle from the receiver. Given the frequency
of transmission is 4GHz |
| | A) | 14.789 km |
| B) | 11.034 km | | C) | 15.244 km | | D) | 31.64 km | | | | | Q. 4 | Select the points true for multiplexing
a) Multiplexing means transmitting more than
one signal on a single channel
b) Multiplexing can be achieved only by sharing
time.
c) Process of multiplexing increases the
bandwidth requiremen |
| | A) | a), b), c), d), e) |
| B) | c), d),e) | | C) | a), d), e) | | D) | b), d), e) | | | | | Q. 5 | Which of the following difference between
FHSS and DSSS are true?
FHSS
a) Avoids interfacing source by hopping around
it.
b) Requires less efficient linear amplifier
c) Broad Band continuous data transmission
d) Lower cost, bet |
| | A) | a), b), d), e) |
| B) | a), b), c) | | C) | b), d), e) | | D) | b), e) | | | |
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