Data Communication MCQs with Answers
Practice important Data Communication MCQs with answers and explanations.
Multiple Choice Questions
Q3241: What is the hidden station problem in wireless LANs?
- A: The inability of stations to detect collisions due to distance or obstacles
- B: The failure to transmit data properly
- C: The inability to send signals
- D: None of the above
View Answer
A
Q3242: Which of the following is NOT a reason why CSMA/CD does not work in wireless LANs?
- A: Stations can send and receive simultaneously
- B: Stations cannot send and receive at the same time
- C: Distance between stations is large
- D: The hidden station problem
View Answer
A
Q3243: Fill in the blank: In wireless LANs, CSMA/CD cannot be used effectively because wireless hosts cannot _______ send and receive at the same time.
- A: always
- B: simultaneously
- C: never
- D: periodically
View Answer
B
Q3244: Which problem prevents collision detection in wireless LANs?
- A: Distance from access point
- B: Signal degradation
- C: The hidden station problem
- D: Multipath interference
View Answer
C
Q3245: What is the main challenge when using CSMA/CD in wireless LANs?
- A: The hidden station problem
- B: Multiple users accessing the same channel
- C: Security issues
- D: Limited bandwidth
View Answer
A
Q3246: Fill in the blank: In wireless LANs, the distance between stations can be so large that _______ they can't detect each other's signals.
- A: so far
- B: that
- C: too close
- D: to detect
View Answer
B
Q3247: Which of the following is an effect of the hidden station problem?
- A: Failure to detect collisions
- B: Limited throughput
- C: Reduced range
- D: Improved network security
View Answer
A
Q3248: What is the main reason why wireless LANs have difficulty implementing CSMA/CD?
- A: High power consumption
- B: Signal interference
- C: No ability to send and receive simultaneously
- D: The distance between stations
View Answer
B
Q3249: Fill in the blank: The _______ problem in wireless LANs occurs when stations cannot detect each other's transmissions due to being too far apart.
- A: hidden station
- B: medium access
- C: collision detection
- D: signal loss
View Answer
A
Q3250: Which of the following is NOT a problem associated with CSMA/CD in wireless LANs?
- A: Multiple stations trying to send data simultaneously
- B: The hidden station problem
- C: Power to transmit and receive simultaneously
- D: The distance between access points
View Answer
D