An organization intends to shift its legacy customer management system to a cloud provider. The company's priorities are to keep downtime to a minimum and ensure data integrity is maintained during the transfer process. Which approach would be the MOST suitable to meet these requirements?
Replicate the current infrastructure within the cloud and migrate the application as-is.
Update the system to a cloud-compatible version before migrating to leverage the cloud's native capabilities.
Implement ongoing data replication between the current and future database systems until the transition is finalized.
Use a data transfer service to physically ship the data for ingestion into the cloud environment.
The process of database replication is pivotal when the need arises to keep the original system fully operational while transitioning to a new environment. This continuous synchronization of data ensures that, even in the event of a cutover to the new environment, both availability and data integrity are preserved. Transfer appliances like Snowball can be effective for large data migrations, but they do not offer the same level of operational continuity. Re-hosting and re-platforming do not generally target the simultaneous operational continuity of legacy systems during the migration phase.
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AWS Cloud Practitioner CLF-C02
Cloud Concepts
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