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
Floods the network with the frame looking for the device
Forwards the switch to the first available link
Drops the frame

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Computer Networking
The Internet Control Message Protocol (ICMP)

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
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

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