Data Communication MCQs with Answers
Practice important Data Communication MCQs with answers and explanations.
Multiple Choice Questions
Q2661: Which of the following is a disadvantage of FDMA?
- A: High synchronization complexity
- B: Increased bandwidth requirements
- C: Low power usage
- D: Improved spectral efficiency
View Answer
B
Q2662: TDMA systems require ______ to ensure proper user access.
- A: code synchronization
- B: time synchronization
- C: frequency hopping
- D: random access
View Answer
B
Q2663: Which protocol divides access to a channel by assigning time slots to each user?
- A: FDMA
- B: TDMA
- C: CDMA
- D: SDMA
View Answer
B
Q2664: In TDMA, two users using the same frequency at different times is an example of ______.
- A: multiplexing
- B: time division
- C: frequency sharing
- D: channel collision
View Answer
B
Q2665: What is the key benefit of using TDMA in digital communication?
- A: Increased latency
- B: Reduced bandwidth
- C: Efficient use of time and frequency
- D: Interference between users
View Answer
C
Q2666: FDMA is most suitable for ______.
- A: high-data-rate systems
- B: short-range communication
- C: analog voice transmission
- D: video streaming
View Answer
C
Q2667: Which of the following requires guard bands between frequencies?
- A: FDMA
- B: TDMA
- C: CDMA
- D: OFDM
View Answer
A
Q2668: What does CDMA stand for?
- A: Code Data Multiplexing Access
- B: Code Division Multiple Access
- C: Carrier Division Multiple Access
- D: Code Distributed Multiplex Access
View Answer
B
Q2669: In CDMA, each user is assigned a unique ______.
- A: time slot
- B: frequency
- C: code
- D: channel
View Answer
C
Q2670: Which of the following techniques allows multiple users to occupy the same frequency spectrum simultaneously?
- A: FDMA
- B: TDMA
- C: CDMA
- D: SDMA
View Answer
C