Data Communication MCQs with Answers
Practice important Data Communication MCQs with answers and explanations.
Multiple Choice Questions
Q2641: What does CDMA stand for?
- A: Code Division Multiple Access
- B: Code Detection Multiple Access
- C: Channel Division Multiple Access
- D: Central Data Multiple Allocation
View Answer
A
Q2642: Which multiple access method uses bandpass filters to control transmitter frequencies?
- A: FDMA
- B: TDMA
- C: CDMA
- D: CSMA
View Answer
A
Q2643: Fill in the blank: ______ is suitable for analog signals and divides bandwidth into different frequencies.
- A: TDMA
- B: CSMA
- C: FDMA
- D: CDMA
View Answer
C
Q2644: In FDMA, each station's allocated frequency band is ______.
- A: Temporarily assigned
- B: Dynamically shifted
- C: Permanently reserved
- D: Randomly selected
View Answer
C
Q2645: Which access method does not use frequency division or time division?
- A: TDMA
- B: FDMA
- C: CSMA/CD
- D: CDMA
View Answer
D
Q2646: Which of the following is NOT a characteristic of FDMA?
- A: Fixed frequency allocation
- B: Bandpass filtering
- C: Shared time slot access
- D: Continuous transmission
View Answer
C
Q2647: Which protocol is best for real-time applications that need continuous signal?
- A: TDMA
- B: CDMA
- C: FDMA
- D: CSMA/C
View Answer
C
Q2648: In which access method do all stations transmit simultaneously using unique codes?
- A: TDMA
- B: FDMA
- C: CDMA
- D: CSMA/C
View Answer
C
Q2649: What is the main benefit of CDMA?
- A: Higher bandwidth
- B: Higher delay
- C: Better power filtering
- D: Simultaneous access
View Answer
D
Q2650: In CDMA, which of the following ensures signals don't interfere with each other?
- A: Time slots
- B: Frequency division
- C: Code division
- D: Band sharing
View Answer
C