Which techniques are critical for effective application migration?

The correct answer emphasizes the importance of data mapping, thorough planning, and validation, which are essential techniques for effective application migration.

Data mapping is crucial as it ensures that data from the legacy system is correctly transferred to the new application. This involves establishing how each piece of data corresponds between the two systems, which helps mitigate issues that may arise due to format differences or data integrity problems.

Thorough planning is vital for each stage of the migration process, as it allows teams to identify potential risks, allocate resources effectively, and set realistic timelines. With a well-structured plan, organizations can anticipate challenges and streamline the migration process to minimize disruptions.

Validation is equally important, as it involves verifying that the migrated data is accurate, complete, and functional in the new system. This step helps to ensure that the application performs as expected and that critical data has not been lost or corrupted during the migration.

Together, these techniques create a robust framework that enhances the overall success of application migration by focusing on data integrity and systematic execution.