Data Communication MCQs with Answers
Practice important Data Communication MCQs with answers and explanations.
Multiple Choice Questions
Q2611: Which of the following is a key advantage of controlled access methods?
- A: Increased collisions
- B: Better channel utilization
- C: Limited user access
- D: Higher error rate
View Answer
B
Q2612: Controlled access is used to ______.
- A: Allow free access to channel
- B: Coordinate device transmission
- C: Encrypt data packets
- D: Transmit over long distances
View Answer
B
Q2613: Fill in the blank: Controlled access avoids ______ by ensuring only one device transmits at a time.
- A: Delays
- B: Errors
- C: Collisions
- D: Interruptions
View Answer
C
Q2614: Which of the following is a controlled-access method?
- A: Ping Access
- B: Carrier Sense
- C: Reservation
- D: Token Ring
View Answer
C
Q2615: What are the three main controlled-access methods?
- A: Reservation, Polling, Token Passing
- B: Token Ring, Reservation, CSMA
- C: Polling, CSMA/CD, Token Holding
- D: Token Delay, Polling, CSMA
View Answer
A
Q2616: In token passing, each station has a ______ and a successor.
- A: Monitor
- B: Connection
- C: Predecessor
- D: Neighbor
View Answer
C
Q2617: The station that comes before a given station in a logical ring is called the ______.
- A: Neighbor
- B: Receiver
- C: Predecessor
- D: Forwarder
View Answer
C
Q2618: What is the function of the TOKEN in token passing?
- A: Encrypts data
- B: Sets connection
- C: Grants sending right
- D: Initiates ring
View Answer
C
Q2619: In token passing, which term refers to the next station in the ring?
- A: Primary station
- B: Secondary station
- C: Successor
- D: Forwarding node
View Answer
C
Q2620: Fill in the blank: A ______ is a special packet that circulates in token passing.
- A: Data frame
- B: TOKEN
- C: Command packet
- D: Reservation frame
View Answer
B