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Computer Networks
Switches Hubs
Q
Which of the following device belongs to physical layer?
AA. Switch
BB. Hub
CC. Bridge
DD. Router
Correct Answer:
B. B. Hub
Explanation:
Hub and repeater are the physical layer devices which does not concern data link layer addresses in any way to transmit the frames. A hub has multiple lines to connect devices and sends frames that arrive on one line to every line regardless of destination.