engineering computer science MCQ #935

Which device operates at the Physical Layer of the OSI model?

engineering computer science MCQ #935

  1. Question 1

    Q1. Which device operates at the Physical Layer of the OSI model?

    • A) Router
    • B) Switch
    • C) Hub
    • D) Bridge

    Answer: Hub

    Explanation: A Hub operates at the Physical Layer, connecting devices and repeating signals.