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?

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

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Computer Networking
Which of the following characteristic(s) is/are suited to the PSS applications?

All of these
Multiple remote host or applications accessed by a single local access circuit terminal and circuit
None of these
bursty traffic and low communications intensity
widely dispersed terminals and access to international packets switched services

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