engineering computer science MCQ #475

What is the main function of the physical layer in the OSI model?

engineering computer science MCQ #475

  1. Question 1

    Q1. What is the main function of the physical layer in the OSI model?

    • A) Routing
    • B) Error detection
    • C) Data transmission
    • D) Flow control

    Answer: Data transmission

    Explanation: The physical layer is responsible for transmitting raw bits over a physical medium.