AWS Certified Solutions Architect Professional SAP-C02 Practice Question
A large enterprise is executing a phased migration of over 500 on-premises servers to multiple AWS Regions (us-east-1 and eu-west-1). The migration team is using AWS Application Discovery Service to collect server details and AWS Application Migration Service (MGN) for the replications and cutovers. The Chief Technology Officer (CTO) requires a unified, application-centric view of the entire migration project, including the status of each application, regardless of its target AWS Region. The solution must use native AWS tooling and provide centralized tracking and reporting. Which approach meets these requirements most effectively?
Configure AWS Migration Hub in a single designated home region. Authorize Application Discovery Service and Application Migration Service in all participating regions to send data to Migration Hub. Use the Migration Hub dashboard to track the status of all applications.
Use AWS Organizations and enforce a strict tagging policy with a migration-status tag. Create scripts to update the tag value for each server as it moves through the migration lifecycle. Use AWS Resource Groups & Tag Editor to generate reports.
Utilize AWS Systems Manager Explorer to create a multi-account, multi-region operational dashboard. Configure resource data syncing for all on-premises and newly created AWS resources to view their status in a single pane of glass.
Develop a custom solution using Amazon CloudWatch. Create custom metrics in both us-east-1 and eu-west-1 that represent migration milestones. Aggregate these metrics into a single cross-region CloudWatch dashboard for reporting.
The correct approach is to use AWS Migration Hub. Migration Hub is specifically designed to provide a single location to track the progress of application migrations across multiple AWS and partner solutions. By designating a single 'home region', Migration Hub can aggregate discovery and migration data from various tools and AWS Regions into one central repository and dashboard. This allows stakeholders to get a unified view of the entire migration portfolio, tracking the status of individual applications from discovery through to cutover, regardless of which region the resources are being migrated to.
Incorrect options are explained below:
Using AWS Organizations with a tagging strategy is essential for governance and cost management but does not provide the specific, built-in, application-level migration status tracking that Migration Hub offers. Tagging is a manual or script-driven process for labeling resources, whereas Migration Hub automatically ingests status updates from integrated tools like MGN.
AWS Systems Manager Explorer is designed to provide a multi-account, multi-region operational dashboard (OpsData) for resources that are already managed by Systems Manager. Its focus is on operational health, compliance, and inventory of running resources, not on tracking the state and progress of a migration project.
Implementing a custom solution with Amazon CloudWatch would require significant development effort to create, send, and aggregate custom metrics for migration events. This approach would be complex, costly, and would essentially reinvent the functionality that AWS Migration Hub provides out-of-the-box as a purpose-built service.
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