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:

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kw

kw

Hubs operate at ISO layer 1 – physical layer, Switches operates at ISO layer 2 – data link layer, and Routers operate at ISO layer 3 – network layer.

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