What Layer 2 function does a router perform? (Choose three.)
- Accepts a frame from a medium
- De-encapsulates the frame
- Refers to its Layer 3 routing table for a matching destination network
- Re-encapsulates the packet into a new frame
Explanation: Routers perform four functions at Layer 2. They accept a frame from the media, de-encapsulate the packet from a frame, re-encapsulate the packet into a new frame, and forwards the new frame appropriate to the medium of that segment of the physical network.
Exam with this question: 6.1.5 Check Your Understanding - Purpose of the Data Link Layer
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