Subject

    Computer Science

    Topic

    Computer Hardware

    The TCP/IP model is a conceptual model that standardizes the functions of a telecommunication or computing system. What are its four layers?

    a)
    Physical, Data Link, Network, Transport
    b)
    Application, Presentation, Session, Transport
    c)
    Application, Transport, Internet, Network Interface
    d)
    Hardware, Software, Firmware, User

    Explanation

    This four-layer model is a more practical and condensed version of the seven-layer OSI model. The Network Interface layer handles the physical transmission, the Internet layer handles addressing and routing (IP), the Transport layer provides reliable data delivery (TCP/UDP), and the Application layer provides protocols for specific applications (HTTP, FTP).

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