PROFESSIONAL-CLOUD-ARCHITECT Question #147: Real Exam Question with Answer & Explanation

Question

You have been engaged by your client to lead the migration of their application infrastructure to GCP. One of their current problems is that the on-premises high performance SAN is requiring frequent and expensive upgrades to keep up with the variety of workloads that are identified as follows: 20TB of log archives retained for legal reasons; 500 GB of VM boot/data volumes and templates; 500 GB of image thumbnails; 200 GB of customer session state data that allows customers to restart sessions even if off-line for several days. Which of the following best reflects your recommendations for a cost-effective storage allocation?

Options

• ALocal SSD for customer session state data. Lifecycle-managed Cloud Storage for log archives,
• BMemcache backed by Cloud Datastore for the customer session state data. Lifecycle- managed
• CMemcache backed by Cloud SQL for customer session state data. Assorted local SSD-backed
• DMemcache backed by Persistent Disk SSD storage for customer session state data. Assorted

Explanation

Memcache backed by Cloud Datastore https://cloud.google.com/appengine/docs/standard/python/memcache Compute Engine image can be stored in Cloud Storage https://cloud.google.com/solutions/image-management-best-practices After the complete sequence of bytes from the disk are written to the file, the file is archived using the tar format and then compressed using the GZIP format. You can then upload the resulting *.tar.gz file to Cloud Storage and register it as an image in Compute Engine.

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