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CBSE Class 12 Informatics Practices Question 8 of 118

Introduction to Computer Networks — Question 8

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Question 8

Assertion. A hub can also act as an amplifier at times.

Reason. An active hub is capable of amplifying the signal during transmission while a passive hub merely lets the signal pass through it.

  1. Both A and R are true and R is the correct explanation of A.
  2. Both A and R are true but R is not the correct explanation of A.
  3. A is true but R is false.
  4. A is false but R is true.
Answer

Both Assertion and Reason are true and Reason is the correct explanation of Assertion.

Explanation
A hub can also act as an amplifier at times. Hubs can function as either passive or active devices. Active hubs electrically amplify the signal as it moves from one connected device to another. While passive hubs allow the signal to pass from one computer to another without any change.