Data Communication MCQs with Answers
Practice important Data Communication MCQs with answers and explanations.
Multiple Choice Questions
Q2671: CDMA separates users using ______.
- A: time division
- B: frequency division
- C: code division
- D: channel splitting
View Answer
C
Q2672: CDMA is considered a type of ______ multiplexing.
- A: frequency
- B: time
- C: code
- D: channel
View Answer
C
Q2673: CDMA is widely used in which generation of mobile communication?
- A: 2G
- B: 3G
- C: 4G
- D: 5G
View Answer
B
Q2674: Fill in the blank: ______ allows multiple users to transmit data simultaneously over the same frequency band using unique codes.
- A: FDMA
- B: TDMA
- C: CDMA
- D: SDMA
View Answer
C
Q2675: Each user in CDMA is assigned a unique ______ that modulates their data.
- A: channel
- B: time slot
- C: spread spectrum code
- D: multiplex filter
View Answer
C
Q2676: Which of the following best describes how CDMA manages multiple users?
- A: Assigning time slots
- B: Assigning frequency bands
- C: Using unique spreading codes
- D: Using modulation techniques
View Answer
C
Q2677: Which type of signal processing is essential in CDMA?
- A: code filtering
- B: analog modulation
- C: spread spectrum
- D: digital tuning
View Answer
C
Q2678: In CDMA, signals are spread across a ______ frequency band.
- A: very low
- B: specific
- C: narrow
- D: wide
View Answer
D
Q2679: The main advantage of CDMA over FDMA and TDMA is ______.
- A: low latency
- B: simplicity in coding
- C: higher user capacity
- D: perfect synchronization
View Answer
C
Q2680: Which technique allows overlapping of user signals in time and frequency domain using codes?
- A: TDMA
- B: CDMA
- C: FDMA
- D: OFDM
View Answer
B