Computer Networks MCQs with Answers
Practice important Computer Networks MCQs with answers and explanations.
Multiple Choice Questions
Q1101: If an acknowledgement does not arrive, TCP ________.
- A: retransmits previous data
- B: terminates the connection
- C: ignores the data
- D: duplicates the data
View Answer
A
Q1102: The time TCP waits before retransmitting depends on ________.
- A: distance to destination
- B: packet size
- C: network protocol
- D: speed of sender
View Answer
A
Q1103: TCP’s retransmission time depends on current ________.
- A: traffic conditions
- B: data size
- C: security level
- D: connection type
View Answer
A
Q1104: Multiple TCP connections can be opened ________.
- A: simultaneously
- B: only one at a time
- C: only sequentially
- D: only with the same IP
View Answer
A
Q1105: Adaptive retransmission in TCP involves adjusting the ________.
- A: timer interval
- B: packet size
- C: buffer size
- D: window size
View Answer
A
Q1106: If the retransmission timer interval is too large, TCP ________.
- A: waits unnecessarily
- B: forgets packets
- C: sends duplicates
- D: drops the connection
View Answer
A
Q1107: If the retransmission timer interval is too short, TCP ________.
- A: sends unnecessary retransmissions
- B: never retransmits
- C: ignores acknowledgements
- D: delays data
View Answer
A
Q1108: TCP estimates round trip time for each ________.
- A: connection
- B: packet
- C: buffer
- D: window
View Answer
A
Q1109: The key to TCP’s success in retransmission is ________.
- A: adaptive retransmission
- B: fixed timer
- C: connectionless protocol
- D: high bandwidth
View Answer
A
Q1110: TCP uses ________ mechanism to control data flow.
- A: buffer
- B: window
- C: packet
- D: connection
View Answer
D