Data Communication MCQs with Answers
Practice important Data Communication MCQs with answers and explanations.
Multiple Choice Questions
Q811: Block Coding + NRZ-I solves synchronization issues but has a _______ component.
- A: DC
- B: High-frequency
- C: Low-frequency
- D: Noise
View Answer
A
Q812: Which of the following is used to solve the synchronization issue in Block Coding + NRZ-I?
- A: Scrambling
- B: NRZ-I encoding
- C: AMI encoding
- D: Bipolar AMI
View Answer
B
Q813: The system requires the insertion of pulses based on _______ rules.
- A: scrambling
- B: AMI
- C: encoding
- D: decoding
View Answer
A
Q814: Which of the following coding schemes has a narrow bandwidth and no DC component?
- A: Bipolar AMI
- B: NRZ-I
- C: Block Coding
- D: Phase Encoding
View Answer
A
Q815: Biphase schemes are _______ for long distance transmission.
- A: not suitable
- B: suitable
- C: ideal
- D: none of the above
View Answer
A
Q816: What does Bipolar AMI coding aim to address in terms of bandwidth?
- A: It reduces bandwidth.
- B: It increases bandwidth.
- C: It reduces synchronization issues.
- D: It improves error detection.
View Answer
A
Q817: In Bipolar AMI encoding, what is the primary issue that needs to be addressed?
- A: Synchronization bandwidth
- B: DC component
- C: Signal loss
- D: Noise
View Answer
A
Q818: Which coding method is used to resolve the synchronization issues in long-distance communication?
- A: Block Coding
- B: NRZ-I
- C: Scrambling
- D: AMI
View Answer
A
Q819: Scrambling is used to ensure _______ in encoding schemes.
- A: synchronization
- B: data integrity
- C: low bandwidth
- D: high frequency
View Answer
A
Q820: Bipolar AMI is associated with a _______ bandwidth.
- A: narrow wide
- B: high
- C: normal
- D:
View Answer
A