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?

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

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Computer Networking
The Internet Control Message Protocol (ICMP)

None of these
provides communication between the Internet Protocol Software on one machine and the Internet Protocol Software on another
allows gateways to send error a control messages to other gateways or hosts
All of these
reports error conditions to the original source, the source must relate errors to individual application programs and take action to correct the problem

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