Computer Networking
Which layer of international standard organization's OSI model is responsible for creating and recognizing frame boundaries?

data link layer
network layer
physical layer
transport layer
None of these

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Computer Networking
If a switch receives a frame and the source MAC address is not in the MAC address table but the destination address is, what will the switch do with the frame?

Add the destination to the MAC address table and then forward the frame
Add the source address and port to the MAC address table and forward the frame out the destination port
Discard it and send an error message back to the originating host
Flood the network with the frame

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