1.4 Creating a Migration Plan (i.e., Documents and Architectural Diagrams) PROFESSIONAL-CLOUD-ARCHITECT Practice Questions (Page 7)

Questions 31–33

1. 31application · medium

   A retail company is migrating a monolithic order-management application to Google Cloud. The application depends on an on-premises legacy database and an internal authentication service. The team plans to rehost the application on Compute Engine VMs and use Cloud SQL for the database. During migration planning, they discover that the authentication service must remain on-premises for compliance reasons. What should the migration plan specify to ensure the application functions correctly after migration?

   • AMigrate the authentication service to Google Cloud as part of the same migration wave to avoid cross-network dependencies.
   • BEstablish a secure network connection, such as Cloud VPN or Dedicated Interconnect, between the VPC and the on-premises network, and configure firewall rules to allow the application to reach the authentication service.
   • CDelay the database migration until the authentication service can be moved to the cloud.
   • DRefactor the application to use a cloud-native identity provider, such as Identity-Aware Proxy, instead of the on-premises service.
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2. 32application · medium

   A company is planning a large-scale migration to Google Cloud and wants to use Google Cloud Migration Center to manage the project. They have already discovered their on-premises environment. What additional capability does Migration Center provide that is directly useful for creating a migration plan?

   • AManaging the actual data transfer during migration.
   • BGenerating cost estimates for migrating and running workloads on Google Cloud.
   • CProviding a direct migration path for on-premises databases to Cloud Spanner.
   • DAutomatically refactoring applications to be cloud-native.
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3. 33expert · hard

   A company is migrating a web application to Google Cloud. The application uses an on-premises Active Directory for authentication. The company wants to maintain a single identity source and avoid managing duplicate user accounts. What should the migration plan include?

   • AIntegrate the cloud application with the on-premises Active Directory using federation, such as SAML or OIDC.
   • BCreate a new user account in Google Cloud for each on-premises user.
   • CUse Google Cloud Identity as the sole identity provider and decommission Active Directory.
   • DMigrate the Active Directory to Google Cloud and use it for both environments.
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