Free ISACA CISA Actual Exam Questions - Question 4 Discussion

A imo, parallel runs also give users hands-on time without risking live data, which helps catch real-world issues early. So training and familiarization are pretty crucial here, not just output matching.

B/D? I get why D makes sense since you’re comparing outputs directly to catch any mismatches early. But the main reason for running both systems simultaneously is to make sure the new system actually meets all business needs without causing disruption. So it’s not just about matching old results, but confirming the new system works correctly in real scenarios, which feels more like B. Training (A) and reducing testing (C) seem secondary or unrelated here.

B. The primary goal of a parallel run isn’t just about matching old system outputs but making sure the new system actually works for the business before going live. It’s like a final check to confirm all required functions perform as expected under real conditions, which is crucial beyond just validation against the old system.

D imo, the key is to catch discrepancies by running both systems together, not just testing features. It’s about making sure the new one matches the old before fully switching.

B/D? The question says "primary purpose," but both verifying functionality and validating against the old system seem close. Should we focus on testing new features or comparison with the old one?