Data Communication MCQs with Answers
Practice important Data Communication MCQs with answers and explanations.
Multiple Choice Questions
Q1301: Which technique divides the transmission time among multiple users?
- A: Frequency-Division Multiplexing
- B: Time-Division Multiplexing
- C: Wavelength-Division Multiplexing
- D: Code-Division Multiplexing
View Answer
B
Q1302: Fill in the blank: In _______ multiplexing, each connection occupies a portion of time in the link.
- A: Frequency-Division
- B: Time-Division
- C: Space-Division
- D: Code-Division
View Answer
B
Q1303: Time-Division Multiplexing (TDM) is primarily used in which type of transmission?
- A: Digital
- B: Analog
- C: Optical
- D: Wireless
View Answer
A
Q1304: What is required at the receiving end of a Time-Division Multiplexed signal?
- A: Demultiplexer
- B: Modulator
- C: Oscillator
- D: Encoder
View Answer
A
Q1305: Which of the following is NOT a type of multiplexing?
- A: Time-Division Multiplexing
- B: Frequency-Division Multiplexing
- C: Space-Division Multiplexing
- D: Packet Switching
View Answer
D
Q1306: What is the main advantage of Time-Division Multiplexing?
- A: Increases bandwidth usage
- B: Reduces the need for multiple transmission lines
- C: Decreases data transmission rate
- D: Requires separate channels for each connection
View Answer
B
Q1307: Fill in the blank: _______ is used in digital transmission to allocate time slots for multiple users.
- A: Frequency-Division Multiplexing
- B: Time-Division Multiplexing
- C: Space-Division Multiplexing
- D: Packet Switching
View Answer
B
Q1308: Which device is responsible for separating the original signals in a multiplexed system?
- A: Modulator
- B: Demultiplexer
- C: Encoder
- D: Amplifier
View Answer
B
Q1309: In TDM, each signal is assigned a unique _______.
- A: Frequency
- B: Time Slot
- C: Amplitude
- D: Phase Shift
View Answer
B
Q1310: What is the main challenge of Time-Division Multiplexing?
- A: Synchronization of time slots
- B: Lack of available bandwidth
- C: High cost of implementation
- D: Requirement of different frequencies
View Answer
A