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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 - B    


Q. 1Calculate the free space path Loss of a 100
km LOS link if operating frequency is 10GHz
 A)60.4418dB
 B)110.034dB
 C)152.4418dB
 D)96.72dB
   
Q. 2Space diversity is observed when
 A)Two or more carriers of the same frequency, are transmitted via physically separated paths in space
 B)Two or more carriers of different frequencies are transmitted at different physical levels in space
 C)Single carrier of different frequencies are transmitted at different physical levels in space
 D)Two or more carriers of the same frequency are transmitted at the same physical levels in space
   
Q. 3Which of the following points are false
regarding satellite link frequencies?
a) Commonly used uplink frequency is 4GHz
b) Uplink frequency is always chosen to be
greater than down link frequency
c) Same frequencies are used for uplink
 A)a, b, c
 B)a, b
 C)b, c
 D)None of the above
   
Q. 4Distance of the obstacle from the
transmitter is 35km and from the receiver is
45km, measured along the LOS. If the
frequency of transmission is 3GHz, necessary
clearance for the second FZ is ___
 A)34.64m
 B)11.034m
 C)62.74m
 D)44.36m
   
Q. 5Which of the following definition regarding
services and protocol is correct?
a) Service is a set of operations that a layer
provides to the layer above it.
b) Protocol is a set of rules governing the
format and meaning of the frames,
 A)a-T, b-T
 B)a-F, b-F
 C)a-T, b-F
 D)a-F, b-T
   
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