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 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

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Computer Networking
Synchronous protocols

transmit characters one at a time
are generally used by personal computers
allow faster transmission than asynchronous protocols do
are more reliable
None of these

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Computer Networking
The MAC (Media Access Control) address of the network card is used in both Ethernet and Token-Ring networks and is essential for communication. What does MAC provide?

A logical address that identifies the workstation
An alias for the computer name
A physical address that is randomly assigned each time the computer is started
A physical address that is assigned by the manufacturer
The logical domain address for the workstation

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