Which sublayer of the data link layer performs data link functions that depend upon the type of medium?
Computer Networks Tutorial 1

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Computers
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University
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Medium
SAJ-CSE CT
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6 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Logical link control sublayer
Media access control sublayer
Network interface control sublayer
Frame Control Sublayer
2.
DRAW QUESTION
2 mins • 2 pts
For the bit sequence 1011101011, draw the waveform for the following encoding techniques:
i) NRZ – L ii) Differential Manchester

3.
OPEN ENDED QUESTION
5 mins • 4 pts
Given the data word 1011001110 and the divisor 10011, explain how error detection and validation can be carried out?
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4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
____________ is a form of spreading in which the center frequency of a conventional carrier is altered many times within a fixed time period.
Time Hopping (TH)
Direct Sequence (DS)
Frequency Hopping (FH)
Chrip
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
State whether the following statements about checksum are True or False.
i. The checksum segment is sent along with the data segments.
ii. It can not detect any errors involving an even number of bits.
i-True, ii-False
i-True, ii-True
i-False, ii-True
i-False, ii-False
6.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
______________ is an error detection method in which a receiver can detect all single-bit errors in each codeword.
Parity check
Cyclic redundancy check
Hamming code
Redundancy check
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