Let us see the important data link layer MCQs Questions Answers.
1. Which results are more likely to occur during the frame transmission in Stop-and-Wait ARQ technique?
a. Loss of frame or an acknowledgement
b. Delay in an acknowledgement
c. All of the above
d.normal operation
answer:D
2.frames issued by the secondary station of High-level data link control , known as?
a. response
b. Command
c. link
d. None of the above
answer: A
3. Which technique are more likely to occur during the frame transmission in the Stop-and-Wait ARQ technique?
a. Loss of frame or an acknowledgement
b. Delay in an acknowledgement
c. Normal operation
d. All of the above
answer:D
4.category of High-level data link control frames undergoes error&flow control techniques by comprising send and receive sequence numbers?
a. U-frames
b. S-frames
c. I-frames
d. All of the above
Answer: B
5.. The data link layer takes the packets from _________ and sends them into frames for transmission.
a) application layer
b) physical layer
c) network layer
d)all of the above
Answer:C
6. Datalink is not able to perform
a) channel coding
c) error control
d) framing
Answer: A
7. The data link layer divide the stream of bits received from the network layer into data units is known as
a)frame
b)segment
c)datagrams
d)message
Answer: A
8.CRC abbreviated as
a) code redundancy check
b) code repeat check
c) cyclic redundancy check
d) cyclic repeat check
Answer:C
9.data link protocol known as??
a) HDLC
b) point to point protocol
c) ethernet
d) all of the mentioned
Answer: D
10.multiple access protocol for channel access control
a) CSMA/CA
b) CSMA/CD
c) Both a&b
d) None of the mentioned
Answer: C
11. The layer lies above the physical layer is
a)data
b)data link
c)network layer
d)transport layer
Answer: B
12..In a real-life network, data link protocols are used as
a)in any direction
b)in one direction
c)in two direction
d)in any direction
Answer:C
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