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
Ethernet networks can be cabled in a number of topologies, depending on what works best in each environment. As more nodes are added, the efficiency of Ethernet decreases. Select the best answer as to why Ethernet becomes less efficient as size increases.

"Line echo" occurs due to the impedance of the cable
Network collisions occur
Cable terminators do not absorb the signal properly
Repeaters cannot increase the signal strength sufficiently
Cable terminators do not reflect the signal properly

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