What does NAK mean in Telecom?
This page is about the meanings of the acronym/abbreviation/shorthand NAK in the Computing field in general and in the Telecom terminology in particular.
Submitted by paul8539 on November 9, 2011
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Definition
What does NAK mean?
- NAK
- In data networking, telecommunications, and computer buses, an acknowledgment (ACK) is a signal that is passed between communicating processes, computers, or devices to signify acknowledgment, or receipt of message, as part of a communications protocol. The negative-acknowledgement (NAK or NACK) is a signal that is sent to reject a previously received message or to indicate some kind of error. Acknowledgments and negative acknowledgments inform a sender of the receiver's state so that it can adjust its own state accordingly. Many protocols contain checksums to verify the integrity of the payload and header. Checksums are used to detect data corruption. If a message is received with an invalid checksum (that is, the data received would have a different checksum than the message had), the receiver can know that some information was corrupted. Most often, when checksums are employed, a corrupted message received will either not be served an ACK signal, or will be served a NAK signal.
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"NAK." Abbreviations.com. STANDS4 LLC, 2024. Web. 3 Jun 2024. <https://www.abbreviations.com/term/39800>.
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