Computer Networks MCQs with Answers
Practice important Computer Networks MCQs with answers and explanations.
Multiple Choice Questions
Q1121: In TCP, the sequence number is ________ bits long.
- A: 32
- B: 16
- C: 64
- D: 8
View Answer
A
Q1122: TCP retransmission is triggered by ________.
- A: timeout
- B: sequence number checksum
- C: window size
- D: packet loss
View Answer
A
Q1123: TCP flow control helps to avoid ________.
- A: buffer overflow
- B: packet loss
- C: low throughput
- D: packet duplication
View Answer
A
Q1124: The retransmission timer interval is adapted to match ________.
- A: network conditions
- B: buffer size
- C: packet size
- D: window advertisement
View Answer
A
Q1125: TCP uses acknowledgements to ensure ________.
- A: reliable data delivery
- B: faster transmission
- C: packet encryption
- D: network routing
View Answer
A
Q1126: If the acknowledgement does not arrive in time, TCP ________.
- A: retransmits the data
- B: terminates the connection
- C: ignores the packet
- D: drops the connection
View Answer
A
Q1127: TCP connection startup requires exchange of ________.
- A: sequence numbers
- B: encryption keys
- C: buffer sizes
- D: window sizes
View Answer
A
Q1128: The window advertisement is sent by the ________.
- A: receiver
- B: sender
- C: router
- D: switch
View Answer
B
Q1129: TCP retransmission ensures data is not ________.
- A: lost
- B: encrypted
- C: compressed
- D: duplicated
View Answer
A
Q1130: TCP flow control is necessary because of varying ________.
- A: buffer sizes
- B: application speeds
- C: network speeds
- D: packet types
View Answer
A