Which network device functions only at Layer 1 of the OSI model?

Which network device functions only at Layer 1 of the OSI model?

Which network device functions only at Layer 1 of the OSI model?

A.
Option A

B.
Option B

C.
Option C

D.
Option D

E.
Option E

Explanation:
Most hubs are amplifying the electrical signal; therefore, they are really repeaters with several
ports. Hubs and repeaters are Layer 1 (physical layer) devices.



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Invader

Invader

B – Option B / Hub