Data Communication MCQs with Answers
Practice important Data Communication MCQs with answers and explanations.
Multiple Choice Questions
Q721: What does the data rate represent?
- A: Number of signal elements/sec
- B: Number of data elements/sec
- C: Modulation speed
- D: Number of pulses/sec
View Answer
B
Q722: What is another name for the signal rate?
- A: Data rate
- B: Bit rate
- C: Baud rate
- D: Frame rate
View Answer
C
Q723: Fill in the blank: Signal rate is also known as ______.
- A: Pulse rate
- B: Modulation rate
- C: Baud rate
- D: All of the above
View Answer
D
Q724: Fill in the blank: Data rate is also referred to as ______ rate.
- A: Signal
- B: Bit
- C: Baud
- D: Frame
View Answer
B
Q725: What is the unit of measurement for signal rate?
- A: Bits per second
- B: Baud
- C: Frames per second
- D: Cycles per second
View Answer
B
Q726: If a signal has a signal rate of 100 bauds, how many data elements are sent per second if each signal element carries 1 data element?
- A: 100
- B: 50
- C: 200
- D: 150
View Answer
A
Q727: Fill in the blank: The number of signal elements sent in 1 second is measured in ______.
- A: Baud
- B: Bits
- C: Frames
- D: Bytes
View Answer
A
Q728: What happens to the signal rate if each signal element carries 2 data elements?
- A: It halves
- B: It doubles
- C: It remains the same
- D: It triples
View Answer
A
Q729: Fill in the blank: If a signal has a signal rate of 200 bauds and carries 2 data elements per signal element, the data rate is ______.
- A: 400 bps
- B: 100 bps
- C: 200 bps
- D: 800 bps
View Answer
A
Q730: What is the relationship between data rate and signal rate?
- A: Data rate is always higher
- B: Signal rate is always higher
- C: They are proportional
- D: They are unrelated
View Answer
C