Data Communication MCQs with Answers
Practice important Data Communication MCQs with answers and explanations.
Multiple Choice Questions
Q2471: ALOHA protocol was developed in which decade?
- A: 1960s
- B: 1980s
- C: 1970s
- D: 1990s
View Answer
C
Q2472: ALOHA was originally designed for which type of LAN?
- A: Optical
- B: LAN over cable
- C: Radio (wireless) LAN
- D: Satellite LAN
View Answer
C
Q2473: ALOHA can be used on which type of medium?
- A: Dedicated medium
- B: Any shared medium
- C: Fiber optic only
- D: Private medium
View Answer
B
Q2474: Which problem arises when two stations send data at the same time in ALOHA?
- A: Success
- B: No effect
- C: Collision
- D: Multiplexing
View Answer
C
Q2475: Fill in the blank: When two stations transmit at the same time in ALOHA, their data _______.
- A: is prioritized by ID
- B: is automatically queued
- C: collides and becomes garbled
- D: is stored for later use
View Answer
C
Q2476: Which of the following happens in ALOHA during a collision?
- A: Data is forwarded
- B: Data is delayed
- C: Data is garbled
- D: Data is split into frames
View Answer
C
Q2477: What type of access does the ALOHA protocol use?
- A: Centralized
- B: Coordinated
- C: Random
- D: Sequential
View Answer
C
Q2478: Fill in the blank: ALOHA is an example of a _______ access protocol.
- A: Random
- B: Scheduled
- C: Controlled
- D: Fixed
View Answer
A
Q2479: In ALOHA, what does a station do after detecting a collision?
- A: Stops transmission
- B: Waits for synchronization
- C: Resends after a random delay
- D: Resends immediately
View Answer
C
Q2480: ALOHA is best suited for _______.
- A: Optical fiber networks
- B: Full-duplex Ethernet
- C: Wireless and shared media
- D: Private leased lines
View Answer
C