Fallback Plan Best Practices
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Question
While reviewing the project plan for a new system prior to go-live, an IS auditor notes that the project team has not documented a fallback plan.
Which of the following would be the BEST go-live approach in this situation?
Answers
Explanations
Click on the arrows to vote for the correct answer
A. B. C. D.A.
In this situation, the best go-live approach would be to use parallel processing (Option A).
Parallel processing is a deployment strategy in which both the old and new systems are run in parallel for a certain period of time to ensure that the new system is working properly before the old system is retired. This approach allows for a fallback plan in case something goes wrong with the new system.
In contrast, immediate cutover (Option B) is a deployment strategy in which the old system is turned off and the new system is turned on at the same time. This approach does not allow for a fallback plan, and if something goes wrong, it could result in significant downtime for the organization.
Real-time replication (Option C) is a data backup strategy in which data is continuously backed up to a secondary system in real-time. This approach does not provide a fallback plan for the new system and is not a suitable go-live approach.
Load balancing (Option D) is a technique used to distribute workloads across multiple computing resources to optimize performance, and is not a suitable go-live approach.
Therefore, parallel processing is the best go-live approach in this situation, as it allows for a fallback plan in case something goes wrong with the new system.
