Data Communication MCQs with Answers
Practice important Data Communication MCQs with answers and explanations.
Multiple Choice Questions
Q2651: Which method uses unique codes to differentiate signals?
- A: TDMA
- B: FDMA
- C: CDMA
- D: CSMA/C
View Answer
C
Q2652: What does FDMA stand for?
- A: Frequency Dependent Multiplex Access
- B: Frequency Data Multiplex Access
- C: Frequency Division Multiple Access
- D: Frequency Distribution Multiple Access
View Answer
C
Q2653: In FDMA, the available bandwidth is divided into ______.
- A: time slots
- B: different frequencies
- C: channels of code
- D: speed levels
View Answer
B
Q2654: Which technique assigns different time slots to users?
- A: FDMA
- B: TDMA
- C: CDMA
- D: SDMA
View Answer
B
Q2655: What is the main difference between FDMA and TDMA?
- A: FDMA uses time slots, TDMA uses frequencies
- B: FDMA and TDMA are the same
- C: FDMA uses frequencies, TDMA uses time slots
- D: FDMA uses code sharing, TDMA uses time sharing
View Answer
C
Q2656: Each user gets a unique frequency band in ______.
- A: TDMA
- B: FDMA
- C: CDMA
- D: SDMA
View Answer
B
Q2657: In TDMA, users transmit ______.
- A: at the same frequency and time
- B: at different frequencies
- C: at the same frequency but different times
- D: at random times
View Answer
C
Q2658: FDMA is mainly used in which of the following systems?
- A: Wi-Fi
- B: Bluetooth
- C: Analog cellular systems
- D: Digital satellite radio
View Answer
C
Q2659: TDMA improves bandwidth efficiency by ______.
- A: sharing frequency across all users
- B: giving users continuous access
- C: using different hardware devices
- D: assigning time slots to users
View Answer
D
Q2660: Fill in the blank: ______ allows multiple users to share the same frequency channel by dividing the signal into different time slots.
- A: FDMA
- B: TDMA
- C: CDMA
- D: OFDM
View Answer
B