- (Topic 5)
Your marketing department wants to send out a promotional email campaign. The development team wants to minimize direct operation management. They project a wide range of possible customer responses, from 100 to 500,000 click-throughs per day. The link leads to a simple website that explains the promotion and collects user information and preferences. Which infrastructure should you recommend? (CHOOSE TWO)

1. A. Use Google App Engine to serve the website and Google Cloud Datastore to store user data.
2. B. Use a Google Container Engine cluster to serve the website and store data to persistent disk.
3. C. Use a managed instance group to serve the website and Google Cloud Bigtable to store user data.
4. D. Use a single compute Engine virtual machine (VM) to host a web server, backed by Google Cloud SQL.

Correct Answer: AC
Reference: https://cloud.google.com/storage-options/
References: https://cloud.google.com/storage-options/

- (Topic 5)
Your company has a Google Cloud project that uses BigQuery for data warehousing. The VPN tunnel between the on-premises environment and Google Cloud is configured with Cloud VPN. Your security team wants to avoid data exfiltration by malicious insiders, compromised code, and accidental oversharing. What should you do?

1. A. Configure VPC Service Controls and configure Private Google Access for on-premises hosts.
2. B. Create a service account, grant the BigQuery JobUser role and Storage Object Viewer role to the service account, and remove all other Identity and Access Management (1AM) access from the project.
3. C. Configure Private Google Access.
4. D. Configure Private Service Connect.

Correct Answer: A

- (Topic 5)
You are building a continuous deployment pipeline for a project stored in a Git source repository and want to ensure that code changes can be verified deploying to production. What should you do?

1. A. Use Spinnaker to deploy builds to production using the red/black deployment strategy so that changes can easily be rolled back.
2. B. Use Spinnaker to deploy builds to production and run tests on production deployments.
3. C. Use Jenkins to build the staging branches and the master branc
4. D. Build and deploy changes to production for 10% of users before doing a complete rollout.
5. E. Use Jenkins to monitor tags in the repositor
6. F. Deploy staging tags to a staging environment for testing.After testing, tag the repository for production and deploy that to the production environment.

Correct Answer: D
Reference: https://github.com/GoogleCloudPlatform/continuous-deployment-on- kubernetes/blob/master/README.md

- (Topic 6)
For this question, refer to the Dress4Win case study. Which of the compute services should be migrated as –is and would still be an optimized architecture for performance in the cloud?

1. A. Web applications deployed using App Engine standard environment
2. B. RabbitMQ deployed using an unmanaged instance group
3. C. Hadoop/Spark deployed using Cloud Dataproc Regional in High Availability mode
4. D. Jenkins, monitoring, bastion hosts, security scanners services deployed on custom machine types

Correct Answer: C

- (Topic 5)
You need to deploy a stateful workload on Google Cloud. The workload can scale horizontally, but each instance needs to read and write to the same POSIX filesystem. At high load, the stateful workload needs to support up to 100 MB/s of writes. What should you do?

1. A. Use a persistent disk for each instance.
2. B. Use a regional persistent disk for each instance.
3. C. Create a Cloud Filestore instance and mount it in each instance.
4. D. Create a Cloud Storage bucket and mount it in each instance using gcsfuse.

Correct Answer: C
https://cloud.google.com/storage/docs/gcs-fuse#notes
Cloud Filestore: Cloud Filestore is a scalable and highly available shared file service fully managed by Google. Cloud Filestore provides persistent storage ideal for shared workloads. It is best suited for enterprise applications requiring persistent, durable, shared storage which is accessed by NFS or requires a POSIX compliant file system.
Reference: https://cloud.google.com/storage/docs/gcs-fuse