A. cyclic redundancy check
B. code repeat check
C. code redundancy check
D. cyclic repeat check
This question was posed to me during an interview for a job.
This question is from Data Link Layer topic in division OSI Model of Computer Network
Best explanation: Cyclic redundancy check is a code that is added to a data which helps us to identify any error that occurred during the transmission of the data. CRC is only able to detect errors, not correct them. CRC is inserted in the frame trailer.