Which of the following devices works at the data-link layer (layer 2) of the OSI model?
A.
Repeater
B.
Switch
C.
Router
D.
Gateway
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router is fals ,Switch is true
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As far as I know the answer is not C and it’s B. If I’m wrong please correct me.
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Router needs layer three
normal switch works up to layer two
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It is switch
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The Correct answer should be:
B-Switch
Routers is Layer 3 devices and Switches is Layer 2
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