CISA Certified Information Systems Auditor – Question2843

What control detects transmission errors by appending calculated bits onto the end of each segment of data?

A.
Reasonableness check
B. Parity check
C. Redundancy check
D. Check digits

Correct Answer: C

Explanation:

Explanation:
A redundancy check detects transmission errors by appending calculated bits onto the end of each segment of data. A reasonableness check compares data to predefined reasonability limits or occurrence rates established for the data. A parity check is a hardware control that detects data errors when data are read from one computer to another, from memory or during transmission.
Check digits detect transposition and transcription errors.