Banking Computers Sample Paper Computer - Sample Paper - 5

  • question_answer  A device operating at. the physical layer is called a

    A) Bridge              

    B) Router

    C) Repeater

    D) All of the above

    E) None of these

    Correct Answer: C

    Solution :

                 A repeater is an electronic device thai receives a signal and retransmits it at a higher level or higher power or onto the other side of an obstruction, so that the signal can coyer longer distances. Because repeaters work with the actual physical signal and do not attempt to interpret the data being transmitted, they operate the physical layer, the first layer of the OSI model.

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