Data Communication MCQs with Answers
Practice important Data Communication MCQs with answers and explanations.
Multiple Choice Questions
Q21: Fill in the blank: _______ ensures that data is delivered correctly in a communication system.
- A: Accuracy
- B: Timeliness
- C: Jitter
- D: Delivery
View Answer
A
Q22: Which characteristic ensures data reaches the correct destination?
- A: Timeliness
- B: Delivery
- C: Accuracy
- D: Jitter
View Answer
B
Q23: What is timeliness in data communication?
- A: Delivering data ahead of time
- B: Delivering data within an acceptable delay
- C: Ensuring no data is lost
- D: None of the above
View Answer
B
Q24: Fill in the blank: An effective data communication system focuses on _______ as a key quality metric.
- A: Accuracy and jitter
- B: Timeliness and delivery
- C: Delivery and security
- D: Accuracy and confidentiality
View Answer
B
Q25: What is the first step in the data communication process shown in the diagram?
- A: Input data g(t)
- B: Output information m
- C: Transmitted signal s(t)
- D: Received signal r(t)
View Answer
B
Q26: What does the transmitter do in the communication system?
- A: Generates output data g'(t)
- B: Converts text into analog signal
- C: Receives data
- D: Converts analog signal into digital
View Answer
A
Q27: Which component in the diagram is responsible for receiving the transmitted signal?
- A: Source
- B: Transmitter
- C: Receiver
- D: Destination
View Answer
C
Q28: Fill in the blank: The _______ system is responsible for transferring signals from the transmitter to the receiver.
- A: Transmission
- B: Encoding
- C: Decoding
- D: Source
View Answer
A
Q29: Which type of signal does the transmission system handle?
- A: Analog only
- B: Digital only
- C: Both analog and digital
- D: Neither analog nor digital
View Answer
C
Q30: What is the output of the receiver in this communication model?
- A: Text
- B: Output information m'
- C: Analog signal
- D: Output data g'(t)
View Answer
D