Banking Computers Science Sample Paper Computer - Sample Paper - 3

  • 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 that receives a signal   retransmits it at a higher level higher power or on to the other -side of an obstruction, so that signal can cover longer distance Because repeaters work with actual physical signal and do not attempt to interpret the data transmitted, they operate on the physical layer, being the first layer of the DSI model.    


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