Answer-first summary for fast verification
Answer: Implement an Uptime check for the load balancer's IP address with an alerting policy for notifications
Option A is incorrect because a service on the instance may fail if the instance itself fails. Option B is incorrect due to the high overhead of configuring logging agents and creating log-based metrics. Option C is incorrect because managing uptime checks and alerting policies for each VM is cumbersome and may lead to false alerts if VMs are replaced. Option D is correct as it minimizes administrative overhead by monitoring the load balancer directly, ensuring the application's availability is accurately reflected. Reference: https://cloud.google.com/monitoring/uptime-checks
Author: LeetQuiz Editorial Team
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Your company is hosting an application via Compute Engine behind a global load balancer. You're responsible for monitoring the application's availability and alerting the on-call engineer if it's down for more than five minutes. Which option offers the least management overhead?
A
Deploy a service on the instances to notify you upon failure
B
Set up Cloud Logging alerts to initiate notifications
C
Establish Uptime checks for each VM's IP address with an alerting policy for notifications
D
Implement an Uptime check for the load balancer's IP address with an alerting policy for notifications