You recently deployed a new version of an application to App Engine and then discovered a bug in the release.
You need to immediately revert to the prior version of the application. What should you do?

• A.On the App Engine Versions page of the GCP Console, route 100% of the traffic to the previous version.
• B.Deploy the original version as a separate application. Then go to App Engine settings and split traffic between applications so that the original version serves 100% of the requests.
• C.On the App Engine page of the GCP Console, select the application that needs to be reverted and click Revert.
• D.Run gcloud app restore.

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You have successfully created a development environment in a project for an application. This application uses Compute Engine and Cloud SQL. Now you need to create a production environment for this application. The security team has forbidden the existence of network routes between these 2 environments and has asked you to follow Google-recommended practices. What should you do?

• A.Create a new production subnet in the existing VPC and a new production Cloud SQL instance in your existing project, and deploy your application using those resources.
• B.Ask the security team to grant you the Project Editor role in an existing production project used by another division of your company. Once they grant you that role, replicate the setup you have in the development environment in that project.
• C.Create a new project, enable the Compute Engine and Cloud SQL APIs in that project, and replicate the setup you have created in the development environment.
• D.Create a new project, modify your existing VPC to be a Shared VPC, share that VPC with your new project, and replicate the setup you have in the development environment in that new project in the Shared VPC.

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You recently deployed a new version of an application to App Engine and then discovered a bug in the release.
You need to immediately revert to the prior version of the application. What should you do?

• A.Run gcloud app restore.
• B.On the App Engine page of the GCP Console, select the application that needs to be reverted and click Revert.
• C.On the App Engine Versions page of the GCP Console, route 100% of the traffic to the previous version.
• D.Deploy the original version as a separate application. Then go to App Engine settings and split traffic between applications so that the original version serves 100% of the requests.

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You are building a pipeline to process time-series dat
a. Which Google Cloud Platform services should you put in boxes 1,2,3, and 4?

• A.Firebase Messages, Cloud Pub/Sub, Cloud Spanner, BigQuery
• B.Cloud Pub/Sub, Cloud Dataflow, Cloud Bigtable, BigQuery
• C.Cloud Pub/Sub, Cloud Dataflow, Cloud Datastore, BigQuery
• D.Cloud Pub/Sub, Cloud Storage, BigQuery, Cloud Bigtable

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You need to create a copy of a custom Compute Engine virtual machine (VM) to facilitate an expected increase in application traffic due to a business acquisition. What should you do?

• A.Create a Compute Engine snapshot of your base VM. Create your images from that snapshot.
• B.Create a Compute Engine snapshot of your base VM. Create your instances from that snapshot.
• C.Create a custom Compute Engine image from a snapshot. Create your images from that image.
• D.Create a custom Compute Engine image from a snapshot. Create your instances from that image.
  :
  A custom image belongs only to your project. To create an instance with a custom image, you must first have a custom image.

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