Computer Networking
To avoid transmission errors, a check figure is calculated by the

Start and stop bit
transmitting computer
both A and B
receiving computer
None of these

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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?

Forwards the switch to the first available link
Drops the frame
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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