Computer Networking
The main difference between TCP and UDP is

None of these
TCP is an Internet protocol where as UDP is an ATM protocol
UDP is a datagram where as TCP is a connection oriented service
All of these
UDP is connection oriented where as TCP is datagram service

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Computer Networking
If a switch receives a frame and the source MAC address is not in the MAC address table but the destination address is, what will the switch do with the frame?

Add the source address and port to the MAC address table and forward the frame out the destination port
Add the destination to the MAC address table and then forward the frame
Discard it and send an error message back to the originating host
Flood the network with the frame

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