What updates are required to keep the MST environment aligned with the TST environment?

• A. Manual updates and Data Courier
• B. Automatic daily sync
• C. No action required
• D. Third-party migration service

Answer: (D)

Keeping MST aligned with TST requires controlled, packaged migrations rather than ad-hoc updates. A third-party migration service is best because it specializes in transferring changes between environments with governance, validation, and traceability. It packages updates (code, configurations, and data changes), tests them in a controlled flow, and provides rollback options, so you can synchronize environments without surprise downtime. It also preserves audit trails and ensures dependencies are satisfied, which helps prevent drift between the two environments. Manual updates or using a Data Courier introduce more manual steps and higher risk, while automatic daily sync presumes a continuous, fully automated pipeline that may not handle complex dependencies or data integrity as reliably. No action isn't realistic when alignment requires coordinated, testable deployments.