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Google Cloud Certified Professional Cloud DevOps Engineer · Google Cloud
Select 2 answers.
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BE. A: No. Application server logs are too localized and do not detect global issues like CDN failures. B: Yes. Instrumenting the client directly provides visibility into real end-user experience and can capture issues before traffic reaches your infrastructure. C: No. Metrics from servers only show internal health and do not reflect upstream failures like those from the CDN or load balancer. D: No. GKE health checks are internal to the cluster and can't detect problems in the CDN or CLB layers. E: Yes. Synthetic clients simulate end-user traffic and can detect issues in the CDN, load balancer, or global network. https://sre.google/sre-book/monitoring-distributed-systems/#implementing-slis-1 https://cloud.google.com/monitoring/synthetic-monitoring
BE A - Is inside the GKE .. which is useless at this point C - Same as A D - Same as it too late in the pipeline to detect these issues
I dont still get why the answers are B & E. Option A & C also appear in below documentation along with B & E so everyone is only chosing B & E https://cloud.google.com/architecture/framework/reliability/adopting-slos#choose_a_measurement_method