Question

What is the difference between TCP and UDP protocols?

A TCP operates at the Network layer with no guaranteed delivery of packets; UDP operates at the Transport layer with guaranteed delivery of packets
B TCP is connectionless and fast; UDP is connection-oriented and reliable
C TCP is connection-oriented and reliable with error checking; UDP is connectionless and faster with no guaranteed delivery
D TCP is used only for file transfer; UDP is used only for email
E TCP uses IP addresses; UDP uses MAC addresses
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