A digital signal is transmitted over a long distance and suffers noise interference. Which method helps restore the original digital signal accurately?

hard📝 Application Q9 of 15

Computer Networks - Physical and Data Link Layer

AIncreasing the signal amplitude only

BUsing repeaters to regenerate the digital signal

CConverting the signal to analog midway

DReducing the signal frequency

Step-by-Step Solution

Solution:

Step 1: Understand noise effect on digital signals
Noise can distort digital signals during transmission.
Step 2: Identify restoration method
Repeaters regenerate and clean the digital signal, restoring it accurately.
Final Answer:
Using repeaters to regenerate the digital signal -> Option B
Quick Check:
Repeaters restore digital signals over distance [OK]

Quick Trick: Repeaters clean and boost digital signals [OK]

Common Mistakes:

MISTAKES

Only increasing amplitude
Converting to analog midway
Reducing frequency

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More Computer Networks Quizzes

A digital signal is transmitted over a long distance and suffers noise interference. Which method helps restore the original digital signal accurately?

Step 1: Understand noise effect on digital signals

Step 2: Identify restoration method

Final Answer:

Quick Check:

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