- (Exam Topic 2)
You need to redesign the ingestion of audit events from your authentication service to allow it to handle a large increase in traffic. Currently, the audit service and the authentication system run in the same Compute Engine virtual machine. You plan to use the following Google Cloud tools in the new architecture:
Multiple Compute Engine machines, each running an instance of the authentication service Multiple Compute Engine machines, each running an instance of the audit service
Pub/Sub to send the events from the authentication services.
How should you set up the topics and subscriptions to ensure that the system can handle a large volume of messages and can scale efficiently?
Correct Answer:A
https://cloud.google.com/pubsub/docs/subscriber "Multiple subscribers can make pull calls to the same "shared" subscription. Each subscriber will receive a subset of the messages."
- (Exam Topic 2)
Your application is running on Compute Engine and is showing sustained failures for a small number of requests. You have narrowed the cause down to a single Compute Engine instance, but the instance is unresponsive to SSH. What should you do next?
Correct Answer:A
- (Exam Topic 2)
You want to view the memory usage of your application deployed on Compute Engine. What should you do?
Correct Answer:C
Reference:
https://stackoverflow.com/questions/43991246/google-cloud-platform-how-to-monitor-memory-usage-of-vm-in
- (Exam Topic 2)
You are load testing your server application. During the first 30 seconds, you observe that a previously inactive Cloud Storage bucket is now servicing 2000 write requests per second and 7500 read requests per second. Your application is now receiving intermittent 5xx and 429 HTTP responses from the Cloud Storage JSON API as the demand escalates. You want to decrease the failed responses from the Cloud Storage API. What should you do?
Correct Answer:A
Reference: https://cloud.google.com/storage/docs/request-rate
- (Exam Topic 2)
You are deploying a single website on App Engine that needs to be accessible via the URL http://www.altostrat.com/. What should you do?
Correct Answer:A
Reference: https://cloud.google.com/appengine/docs/flexible/dotnet/mapping-custom-domains?hl=fa