Data Link interview questions
Data Link interview questions
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Total Questions: 10
1. The data link layer takes the packets from _________ and encapsulates them into frames for transmission.
Correct Answer is : network layer
2. Which one of the following task is not done by data link layer?
Correct Answer is : channel coding
3. Which sublayer of the data link layer performs data link functions that depend upon the type of medium?
Correct Answer is : media access control sublayer
4. Header of a frame generally contains
Correct Answer is : all of the mentioned
5. Automatic repeat request error management mechanism is provided by
Correct Answer is : logical link control sublayer
6. When 2 or more bits in a data unit has been changed during the transmission, the error is called
Correct Answer is : burst error
7. CRC stands for
Correct Answer is : cyclic redundancy check
8. Which one of the following is a data link protocol?
Correct Answer is : all of the mentioned
9. Which one of the following is the multiple access protocol for channel access control?
Correct Answer is : Both CSMA/CD & CSMA/CA
10. The technique of temporarily delaying outgoing acknowledgements so that they can be hooked onto the next outgoing data frame is called
Correct Answer is : piggybacking
