JKSSB Mock Tests

Which device operates at the Physical layer of the OSI model by regenerating signals?

A. Repeater
B. Switch
C. Router
D. Bridge
Answer: Option A
Solution (By JKSSB Mock Tests Team)
A repeater amplifies and retimes signals to extend network distance; hubs are multi-port repeaters.
This Question Belongs to: Computer mcqs Computer set 2

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