Computer Science Ques 487

Question: A device operating at the physical layer is called a

Options:

A) Bridge

B) Router

C) Repeater

D) All of l he above

E) None of these

Show Answer

Answer:

Correct Answer: C

Solution:

  • Devices that. operate at the physical layer include repeaters, hubs, network interface cords (NICs), cables and connectors .Repeaters arc used to regenerate electrical signals that have attenuated (i.e. weekend) as a result of distance. That is. It receives signal of one end, regenerate original bit patterns and send refreshed signal on the other end.
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