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?

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

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Computer Networking
What does a switch do when a frame is received on an interface and the destination hardware address is unknown or not in the filter table?

Sends back a message to the originating station asking for a name resolution
Drops the frame
Forwards the switch to the first available link
Floods the network with the frame looking for the device

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