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CS Professional · Artificial Intelligence, Data Analytics and Cyber Security - Laws and Practice · Enterprise Resource Management

Before go-live, a company runs its ERP on the old and new systems side by side for two months, then cuts over fully. A critical data-migration error is found only after cut-over, and legacy data had not been validated. Which statement is correct?

The error stems from inadequate data cleansing and validation before migration, a recognised ERP implementation risk. Parallel running is a useful cut-over technique but cannot substitute for validating legacy data, and it is not a legal requirement under the IT Act.

  1. AParallel running removes the need for data validation before migration
  2. BThe failure arises from inadequate data cleansing and validation before migration, a recognised ERP implementation risk, which parallel running alone cannot cureCorrect
  3. CMigration errors are not an ERP risk but only a hardware risk
  4. DParallel running is a cyber law requirement under the IT Act

Explanation

Poor-quality legacy data must be cleansed and validated before migration. Parallel running helps compare outputs but does not replace validation. Migration error is a recognised implementation risk, and parallel running is a project technique, not a statutory requirement.

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