Certified Internal Auditor (CIA) Part 3: Business Knowledge for Internal Auditing — Question 181

Which of the following control techniques would minimize the risk of interception during transmission in an electronic data interchange system?
1. Encryption.
2. Traffic padding.
3. Edit checks.
4. Structured data format.

Answer options

• A. 1 and 2 only
• B. 2 and 3 only
• C. 3 and 4 only
• D. 1, 2, and 3 only

Correct answer: A

Explanation

Encryption and traffic padding are effective control techniques that enhance security by protecting data during transmission. Edit checks and structured data formats do not directly prevent interception, making options B, C, and D incorrect. Therefore, the best choice is A, which includes the two relevant techniques.