You have an application running in a production Google Kubernetes Engine (GKE) cluster. You use Cloud Deploy to automatically deploy your application to your production GKE cluster. As part of your development process: you are planning to make frequent changes to the applications source code and need to select the tools to test the changes before pushing them to your remote source code repository. Your toolset must meet the following requirements:
* Test frequent local changes automatically.
* Local deployment emulates production deployment.
Which tools should you use to test building and running a container on your laptop using minimal resources'?

• A.Docker Compose and dockerd
• B.Terraform and kubeadm
• C.kaniko and Tekton
• D.Minikube and Skaffold

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You are writing a Compute Engine hosted application in project A that needs to securely authenticate to a Cloud Pub/Sub topic in project B.
What should you do?

• A.Configure the instances with a service account owned by project B. Add the service account as a Cloud Pub/Sub publisher to project A.
• B.Configure the instances with a service account owned by project A. Add the service account as a publisher on the topic.
• C.Configure Application Default Credentials to use the private key of a service account owned by project B. Add the service account as a Cloud Pub/Sub publisher to project A.
• D.Configure Application Default Credentials to use the private key of a service account owned by project A. Add the service account as a publisher on the topic

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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.

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You work for an organization that manages an ecommerce site. Your application is deployed behind a global HTTP(S) load balancer. You need to test a new product recommendation algorithm. You plan to use A/B testing to determine the new algorithm's effect on sales in a randomized way. How should you test this feature?

• A.Split traffic between versions using weights.
• B.Enable the new recommendation feature flag on a single instance.
• C.Mirror traffic to the new version of your application.
• D.Use HTTP header-based routing.

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You need to migrate an internal file upload API with an enforced 500-MB file size limit to App Engine.
What should you do?

• A.Use FTP to upload files.
• B.Use CPanel to upload files.
• C.Use signed URLs to upload files.
• D.Change the API to be a multipart file upload API.

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