Which of the following devices operates primarily at the Physical Layer of the OSI model?

Options

  • A. Router
  • B. Repeater
  • C. Switch
  • D. More than one of the above
  • E. None of the above

Correct Answer (Detailed Explanation is Below)

B. Repeater

Detailed Explanation

Explanation: A Repeater operates at the Physical Layer (Layer 1) of the OSI model. It regenerates or amplifies signals to extend the transmission distance.