Data Link Layer Computer Networks Questions and Answers
1.
The data link layer takes the packets from _____ and encapsulates them into frames for transmission.
Answer: Option 'C'
network layer
2.
Which sublayer of the data link layer performs data link functions that depend upon the type of medium?
Answer: Option 'B'
media access control sublayer
3.
Automatic repeat request error management mechanism is provided by
Answer: Option 'A'
logical link control sublayer
4.
CRC stands for
Answer: Option 'B'
cyclic redundancy check
5.
Which one of the following is the multiple access protocol for channel access control?
Answer: Option 'C'
both (a) and (b)
6.
The technique of temporarily delaying outgoing outgoing acknowledgements so that they can be hooked onto the next outgoing data frame is called
Answer: Option 'A'
piggybacking
7.
Which one of the following is a data link protocol?
Answer: Option 'D'
All of these
8.
When 2 or more bits in a data unit has been changed during the transmission, the error is called
Answer: Option 'B'
burst error
9.
Header of a frame generally contains
Answer: Option 'D'
all of these
10.
Which one of the following task is not done by data link layer?
Answer: Option 'D'
channel coding
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