What are the different error detection methods used in data transmission?
There are several error detection methods, including parity checks, checksums, and cyclic redundancy checks (CRC). Each has its strengths and weaknesses.
Can you explain how a checksum works?
A checksum works by calculating a value based on the data being transmitted. This value is sent along with the data, and the receiver recalculates it to check for errors.
How does CRC differ from a simple checksum?
CRC is more complex than a checksum. It uses polynomial division to detect errors, making it more reliable for detecting burst errors.
Which method is the most reliable for error detection?
CRC is generally considered the most reliable for error detection, especially in high-speed networks, due to its ability to detect multiple types of errors.
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