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Your application is composed of a set of loosely coupled services orchestrated by code executed on Compute Engine. You want your application to easily bring up new Compute Engine instances that find and use a specific version of a service. How should this be configured?

A. Define your service endpoint information as metadata that is retrieved at runtime and used to connect to the desired service.

B. Define your service endpoint information as label data that is retrieved at runtime and used to connect to the desired service.

C. Define your service endpoint information to be retrieved from an environment variable at runtime and used to connect to the desired service.

D. Define your service to use a fixed hostname and port to connect to the desired service. Replace the service at the endpoint with your new version.

Your team is writing a backend application to implement the business logic for an interactive voice response (IVR) system that will support a payroll application. The IVR system has the following technical characteristics:

1.

Each customer phone call is associated with a unique IVR session.

2.

The IVR system creates a separate persistent gRPC connection to the backend for each session.

3.

If the connection is interrupted, the IVR system establishes a new connection, causing a slight latency for that call.

You need to determine which compute environment should be used to deploy the backend application. Using current call data, you determine that:

1.

Call duration ranges from 1 to 30 minutes.

2.

Calls are typically made during business hours.

3.

There are significant spikes of calls around certain known dates (e.g., pay days), or when large payroll changes occur.

You want to minimize cost, effort, and operational overhead. Where should you deploy the backend application?

A. Compute Engine

B. Google Kubernetes Engine cluster in Standard mode

C. Cloud Functions

D. Cloud Run

You have been tasked with planning the migration of your company's application from on-premises to Google Cloud. Your company's monolithic application is an ecommerce website. The application will be migrated to microservices deployed on Google Cloud in stages. The majority of your company's revenue is generated through online sales, so it is important to minimize risk during the migration. You need to prioritize features and select the first functionality to migrate. What should you do?

A. Migrate the Product catalog, which has integrations to the frontend and product database.

B. Migrate Payment processing, which has integrations to the frontend, order database, and third-party payment vendor.

C. Migrate Order fulfillment, which has integrations to the order database, inventory system, and third-party shipping vendor.

D. Migrate the Shopping cart, which has integrations to the frontend, cart database, inventory system, and payment processing system.

You have an application deployed in production. When a new version is deployed, you want to ensure that all production traffic is routed to the new version of your application. You also want to keep the previous version deployed so that you can revert to it if there is an issue with the new version.

Which deployment strategy should you use?

A. Blue/green deployment

B. Canary deployment

C. Rolling deployment

D. Recreate deployment

You are developing an application that will handle requests from end users. You need to secure a Cloud Function called by the application to allow authorized end users to authenticate to the function via the application while restricting access to unauthorized users. You will integrate Google Sign-In as part of the solution and want to follow Google-recommended best practices. What should you do?

A. Deploy from a source code repository and grant users the roles/cloudfunctions.viewer role.

B. Deploy from a source code repository and grant users the roles/cloudfunctions.invoker role

C. Deploy from your local machine using gcloud and grant users the roles/cloudfunctions.admin role

D. Deploy from your local machine using gcloud and grant users the roles/cloudfunctions.developer role