basic computer MCQ #2650

In IT networking, which of the following devices is used in the physical layer?

basic computer MCQ #2650

  1. Question 1

    Q1. In IT networking, which of the following devices is used in the physical layer?

    • A) Repeater
    • B) Router
    • C) Transport Gateway
    • D) Bridge

    Answer: Repeater

    Explanation: Repeaters operate at the Physical Layer (Layer 1) of the OSI model, regenerating and amplifying signals to extend the reach of a network.