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Error Control involves taking one of three actions: (1) Toss the frame/packet; (2) asking to
resend he frame/packet that was in error; (3) correct the error without retransmission. Discuss the
advantages/disadvantages for each of these scenarios.
What is the single greatest advantage of having a checksum for only the IP header?
Why is cyclic redundancy checksum (CRC) implemented for Ethernet and for wireless frames as
an error control technique?

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