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?

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

Correct Answer: C

You deployed a new application inside your Google Kubernetes Engine cluster using the YAML file specified below.

You check the status of the deployed pods and notice that one of them is still in PENDING status:

You want to find out why the pod is stuck in pending status. What should you do?

1. A. Review details of the myapp-service Service object and check for error messages.
2. B. Review details of the myapp-deployment Deployment object and check for error messages.
3. C. Review details of myapp-deployment-58ddbbb995-lp86m Pod and check for warning messages.
4. D. View logs of the container in myapp-deployment-58ddbbb995-lp86m pod and check for warning messages.

Correct Answer: C
https://kubernetes.io/docs/tasks/debug-application-cluster/debug-application/#debugging-pods

You need to create a custom IAM role for use with a GCP service. All permissions in the role must be suitable for production use. You also want to clearly share with your organization the status of the custom role. This will be the first version of the custom role. What should you do?

1. A. Use permissions in your role that use the ‘supported’ support level for role permission
2. B. Set the rolestage to ALPHA while testing the role permissions.
3. C. Use permissions in your role that use the ‘supported’ support level for role permission
4. D. Set the role stage to BETA while testing the role permissions.
5. E. Use permissions in your role that use the ‘testing’ support level for role permission
6. F. Set the role stage to ALPHA while testing the role permissions.
7. G. Use permissions in your role that use the ‘testing’ support level for role permission
8. H. Set the role stage to BETA while testing the role permissions.

Correct Answer: A
When setting support levels for permissions in custom roles, you can set to one of SUPPORTED, TESTING or NOT_SUPPORTED.
Ref: https://cloud.google.com/iam/docs/custom-roles-permissions-support

You are working for a hospital that stores Its medical images in an on-premises data room. The hospital wants to use Cloud Storage for archival storage of these images. The hospital wants an automated process to upload any new medical images to Cloud Storage. You need to design and implement a solution. What should you do?

1. A. Deploy a Dataflow job from the batch template "Datastore lo Cloud Storage" Schedule the batch job on the desired interval
2. B. In the Cloud Console, go to Cloud Storage Upload the relevant images to the appropriate bucket
3. C. Create a script that uses the gsutil command line interface to synchronize the on-premises storage with Cloud Storage Schedule the script as a cron job
4. D. Create a Pub/Sub topic, and enable a Cloud Storage trigger for the Pub/Sub topi
5. E. Create an application that sends all medical images to the Pub/Sub lope

Correct Answer: C
they require cloud storage for archival and the want to automate the process to upload new medical image to cloud storage, hence we go for gsutil to copy on-prem images to cloud storage and automate the process via cron job. whereas Pub/Sub listens to the changes in the Cloud Storage bucket and triggers the pub/sub topic, which is not required.

You need to immediately change the storage class of an existing Google Cloud bucket. You need to reduce service cost for infrequently accessed files stored in that bucket and for all files that will be added to that bucket in the future. What should you do?

1. A. Use the gsutil to rewrite the storage class for the bucket Change the default storage class for the bucket
2. B. Use the gsutil to rewrite the storage class for the bucket Set up Object Lifecycle management on the bucket
3. C. Create a new bucket and change the default storage class for the bucket Set up Object Lifecycle management on lite bucket
4. D. Create a new bucket and change the default storage class for the bucket import the files from the previous bucket into the new bucket

Correct Answer: B