CS601 FINAL TERM SOLVED MCQs || PAST PAPERS || GROUP-1 || DATA COMMUNICATION || VuTech
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CS601
Data Communication
Solved Final Term Past Papers
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MCQ’s
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Question No: 1
The __________ is the number of signal elements sent per unit time.
a) Period
b) Bit Rate
c) Signal Rate
d) Data Rate
Correct Answer:
The correct answer is 'c'.
Question No: 2
Checksum is an error-detection technique that can be applied to a message of ___________ length.
a) Exactly 4
b) Exactly 32
c) Exactly 8
d) Any
Correct Answer:
The correct answer is 'd'.
Question No: 3
Data Link layer provides services to the ___________ layer.
a) Network
b) Session
c) Transport
d) Application
Correct Answer:
The correct answer is 'a'.
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Question No: 4
The message 110 sent by a source is received by a destination as 111. This is __________ type of error.
a) Single-Bit
b) Byte
c) Burst
d) Multi-Bit
Correct Answer:
The correct answer is 'a'.
Question No: 5
In even parity check code, the value of syndrome is ________ if the number of 1s is even.
a) 2
b) 1
c) 4
d) 0
Correct Answer:
The correct answer is 'd'.
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Question No: 6
A3:34:45:11:92:F1 is a _____________ link layer address.
a) Unicast
b) Multicast
c) Multiplex
d) Broadcast
Correct Answer:
The correct answer is 'a'.
Question No: 7
If the Hamming distance between sent and received code word is __________, then it shows that received data is corrupted.
a) = 0
b) ≠ 0
c) ≠ 1
d) = 1
Correct Answer:
The correct answer is 'b'.
Question No: 8
In Block coding we divide our message into blocks of k bits called as ____________ .
a) Data Words
b) Code Words
c) Cross Words
d) Passwords
Correct Answer:
The correct answer is 'a'.
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Question No: 9
The extra bits added with the original data for error detection/correction are called _________ .
a) Port Numbers
b) Fault Bits
c) Process IDs
d) Redundant Bits
Correct Answer:
The correct answer is 'd'.
Question No: 10
___________ is responsible for governing node to node communication.
a) Data Link Layer
b) Presentation Layer
c) Session Layer
d) Application Layer
Correct Answer:
The correct answer is 'a'.