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
Which of the following devices works at the data-link layer (layer 2) of the OSI model?
Which of the following devices works at the data-link layer (layer 2) of the OSI model?
router is fals ,Switch is true
As far as I know the answer is not C and it’s B. If I’m wrong please correct me.
Router needs layer three
normal switch works up to layer two