Practice Test 1 | Google Cloud Certified Professional Cloud DevOps Engineer | Dumps | Mock Test
Your company is serving an application through the Compute Engine service behind a global load balancer. You have been tasked with monitoring the availability of the application and alert the on-call engineer if the application is unavailable for more than five minutes.
What should you do with the least management overhead?
A. Use Cloud Logging alerts to trigger a notification
B. Deploy a service to the instances to notify you when they fail
C. Create Uptime checks with the IP address of the individual VMs and an alerting policy to trigger a notification
D. Create an Uptime check with the IP address of the load balancer and an alerting policy to trigger a notification
Correct Answer: D
- Option A is incorrect, this has a lot of overhead such as installing the logging agent, configuring the right logs to be sent to Cloud Logging and creating log-based metrics.
- Option B is incorrect, because a service on the instance may not work when the instance fails.
- Option C is incorrect. This has a lot of overhead, assuming there are 50 instances, you will have to create an uptime check and alerting policy for each VM instance. Also if one VM is replaced it will trigger an alert which is counter-productive when the application is available.
- Option D is CORRECT. Creating an uptime check to the load balancer has the least administrative overhead.
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