Data Communication MCQs with Answers
Practice important Data Communication MCQs with answers and explanations.
Multiple Choice Questions
Q2691: In CDMA, how is the bandwidth of the link utilized?
- A: Only a portion is used
- B: Multiple frequencies are assigned
- C: One channel uses the entire bandwidth
- D: A time slot is used per user
View Answer
C
Q2692: Which multiple access method allows one channel to use the entire bandwidth of the link?
- A: FDMA
- B: TDMA
- C: CDMA
- D: OFDM
View Answer
C
Q2693: CDMA differs from TDMA in that ______.
- A: all stations send data in assigned time slots
- B: all stations can send data simultaneously
- C: frequency is divided among users
- D: channels are assigned by routers
View Answer
B
Q2694: Which technique allows all users to transmit data at the same time using different codes?
- A: FDMA
- B: TDMA
- C: CDMA
- D: FDM
View Answer
C
Q2695: In FDMA, bandwidth is divided into ______.
- A: unique time slots
- B: individual codes
- C: separate frequency channels
- D: data packets
View Answer
C
Q2696: TDMA differs from CDMA because it uses ______ for access.
- A: shared codes
- B: time slots
- C: frequency bands
- D: data queues
View Answer
B
Q2697: CDMA does not require which of the following to separate users?
- A: time slots
- B: codes
- C: frequencies
- D: antennas
View Answer
A
Q2698: Fill in the blank: In CDMA, ______ is used instead of dividing the bandwidth by time or frequency.
- A: code division
- B: time division
- C: frequency switching
- D: space division
View Answer
A
Q2699: Which access method does NOT use time-sharing to separate users?
- A: TDMA
- B: CDMA
- C: FDMA
- D: WDMA
View Answer
B
Q2700: CDMA differs from FDMA and TDMA by allowing all users to use ______.
- A: different routers
- B: separate time frames
- C: the same bandwidth simultaneously
- D: separate channels
View Answer
C