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 an application that processes data files uploaded from thousands of suppliers. Your primary goals for the application are data security and the expiration of aged data. You need to design the application to:
*Restrict access so that suppliers can access only their own data.
*Give suppliers write access to data only for 30 minutes.
*Delete data that is over 45 days old.
You have a very short development cycle, and you need to make sure that the application requires minimal maintenance. Which two strategies should you use? (Choose two.)

• A.Develop a script that loops through all Cloud Storage buckets and deletes any buckets that are older than
  45 days.
• B.Use signed URLs to allow suppliers limited time access to store their objects.
• C.Build a lifecycle policy to delete Cloud Storage objects after 45 days.
• D.Set up an SFTP server for your application, and create a separate user for each supplier.
• E.Build a Cloud function that triggers a timer of 45 days to delete objects that have expired.

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Your team has been working on building a web application. The plan is to deploy to Kubernetes. You currently have a Dockerfile that works locally. How can you get the application deployed to Kubernetes?

• A.Use docker to create a container image, save the image to Cloud Storage, deploy the uploaded image to Kubernetes with kubectl.
• B.Use kubectl apply to push the Dockerfile to Kubernetes.
• C.Use kubectl to push the convert the Dockerfile into a deployment.
• D.Use docker to create a container image, push it to the Google Container Registry, deploy the uploaded image to Kubernetes with kubectl.

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You are hosting an application on bare-metal servers in your own data center. The application needs access to Cloud Storage. However, security policies prevent the servers hosting the application from having public IP addresses or access to the internet. You want to follow Google-recommended practices to provide the application with access to Cloud Storage. What should you do?

• A.1. Use nslookup to get the IP address for storage.googleapis.com.2. Negotiate with the security team to be able to give a public IP address to the servers.3. Only allow egress traffic from those servers to the IP addresses for storage.googleapis.com.
• B.1. Use Migrate for Compute Engine (formerly known as Velostrata) to migrate those servers to Compute Engine.2. Create an internal load balancer (ILB) that uses storage.googleapis.com as backend.3.
  Configure your new instances to use this ILB as proxy.
• C.1. Using Cloud VPN, create a VPN tunnel to a Virtual Private Cloud (VPC) in Google Cloud Platform (GCP).2. In this VPC, create a Compute Engine instance and install the Squid proxy server on this instance.3. Configure your servers to use that instance as a proxy to access Cloud Storage.
• D.1. Using Cloud VPN or Interconnect, create a tunnel to a VPC in GCP.2. Use Cloud Router to create a custom route advertisement for 199.36.153.4/30. Announce that network to your on-premises network through the VPN tunnel.3. In your on-premises network, configure your DNS server to resolve
  *.googleapis.com as a CNAME to restricted.googleapis.com.

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You received a JSON file that contained a private key of a Service Account in order to get access to several resources in a Google Cloud project. You downloaded and installed the Cloud SDK and want to use this private key for authentication and authorization when performing gcloud commands. What should you do?

• A.Place the private key file in the installation directory of the Cloud SDK and rename it to "credentials ison"
• B.Place the private key file in your home directory and rename it to ''GOOGLE_APPUCATION_CREDENTiALS".
• C.Use the command gcloud auth activate-service-account and point it to the private key
• D.Use the command gcloud auth login and point it to the private key

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