Banking Computers Science IBPS RRBs Office Assistant Exam CWE-IV 12-09-2015

  • question_answer
    OSI reference model has ______layers.

    A)  8 

    B)  6

    C)  5                    

    D)  7

    E)  4

    Correct Answer: D

    Solution :

    [d] The Open System Interconnection (OSI) model define networking framework to implement protocols in seven layers. It is a conceptual model that characterizes and standardizes the communication functions of a telecom communication or computing system without regard of their underlying internal structure and technology.


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