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

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You developed a new application for App Engine and are ready to deploy it to production. You need to estimate the costs of running your application on Google Cloud Platform as accurately as possible. What should you do?

• A.Create a YAML file with the expected usage. Pass this file to the "gcloud app estimate" command to get an accurate estimation.
• B.Multiply the costs of your application when it was in development by the number of expected users to get an accurate estimation.
• C.Use the pricing calculator for App Engine to get an accurate estimation of the expected charges.
• D.Create a ticket with Google Cloud Billing Support to get an accurate estimation.

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Your management has asked an external auditor to review all the resources in a specific project. The security team has enabled the Organization Policy called Domain Restricted Sharing on the organization node by specifying only your Cloud Identity domain. You want the auditor to only be able to view, but not modify, the resources in that project. What should you do?

• A.Ask the auditor for their Google account, and give them the Viewer role on the project.
• B.Ask the auditor for their Google account, and give them the Security Reviewer role on the project.
• C.Create a temporary account for the auditor in Cloud Identity, and give that account the Viewer role on the project.
• D.Create a temporary account for the auditor in Cloud Identity, and give that account the Security Reviewer role on the project.

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You have deployed an application on a single Compute Engine instance. The application writes logs to disk. Users start reporting errors with the application. You want to diagnose the problem. What should you do?

• A.Configure a Health Check on the instance and set a Low Healthy Threshold value.
• B.Navigate to Cloud Logging and view the application logs.
• C.Connect to the instance's serial console and read the application logs.
• D.Install and configure the Cloud Logging Agent and view the logs from Cloud Logging.

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You recently discovered an issue with your rolling update in Google Kubernetes Engine (GKE). You now need to roll back a rolling update. What should you do?

• A.Delete the deployment.
• B.Use the kubectl rollout undo command.
• C.Manually scale down the new Pods and scale up the old Pods.
• D.Use the kubectl rollout restart command to revert the deployment.

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