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Computer Network: Datalink Layer
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Avg score: 26% • Most missed: “Which of the following is a data link protocol?”
Computer Network: Datalink Layer
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18 Questions

1. The technique that makes possible the task of listening and talking in communication system is called ________
2. When 2 or more bits in a data unit has been changed during the transmission, the error is called ____________
3. TDD is effective for _________
4. Which of the following is the multiple access protocol for channel access control?
5. The data link layer takes the packets from _________ and encapsulates them into frames for transmission.
6. In wideband systems, the transmission bandwidth of a single channel _________ coherence bandwidth of the channel.
7. CRC stands for __________
8. Time division duplexing uses ________ to provide both a forward and reverse link.
9. Which of the following is a data link protocol?
10. Which of the following tasks is not done by data link layer?
11. Which sublayer of the data link layer performs data link functions that depend upon the type of medium?
12. Multiple access schemes are used to allow ________ mobile users to share simultaneously a finite amount of radio spectrum.
13. Frequency division duplexing provides ________ distinct bands of frequencies for _________ user.
14. TDD is effective for _________
15. Automatic repeat request error management mechanism is provided by ________
16. The technique of temporarily delaying outgoing acknowledgements so that they can be hooked onto the next outgoing data frame is called ____________
17. Header of a frame generally contains ______________
18. Time division duplexing uses ________ to provide both a forward and reverse link.

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