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Computer Networks

This is the collection of Sikkim Manipal University (SMU) question and answers for Computer Networks . It will help to prepare your examination. All question paper are classified as per semester, subject code and question type of Part A, Part B and Part C with multiple choice options as same as actual examination. SMU question papers includes year 2022, 2021, 2020 Sem I, II, III, IV, V, VI examinations of all subjects.

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Course Name        BSc IT (Bachelor of Science in Information Technology)

Subject Code       BT0072 (Computer Networks )

Get Questions        PART - A    PART - B    PART - C

Subject : Computer Networks

     BT0072 : PART - C    

Q. 1Identify the functionalities of the various
layers in the OSI reference model
Set A
1. Data Link Layer
2. Network Layer
3. Transport Layer
4. Application layer
Set B
a. Error handling during transmission
b. Retransmitti
 A)1- b, 2 - d, 3 - a, 4 - c
 B)1- b, 2 - a, 3 - c, 4 - d
 C)1- a, 2 - d, 3 - b, 4 - c
 D)1- b, 2 - c, 3 - a, 4 - d
Q. 2Given 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. 3Match set A with set B
a) Altitude and orbit control system
b) Telemetry, Tracking and command
c) Communication subsystem
d) Antenna subsystem
1) Controls the antenna pointing and
communication system configurat
 A)a)-2), b)-1), c)-4), d) 3)
 B)a)-1), b)-3), c)-2), d) 4)
 C)a)-3), b)-2), c)-4), d) 1)
 D)a)-2), b)-4), c)-1), 3)
Q. 4 ___ points are not true for fiber optic
a) Can be used over distance up to 2
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. 5How many bits are required to achieve a
signal to quantization noise ratio of at least 40
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