Operational Excellence and Reliability at Scale CLOUD-DIGITAL-LEADER Practice Questions (Page 7)

Questions 31–33

1. 31application · medium

   A team is defining an SLO for a customer-facing API. They want to measure availability and latency. Which set of SLIs is most appropriate?

   • AThe CPU utilization of the API servers and the memory usage.
   • BThe percentage of requests that return a successful HTTP status code and the percentage of requests that complete within 200 milliseconds.
   • CThe number of support tickets and the average time to resolve them.
   • DThe number of requests per second and the total number of active users.
   Reveal Solution Discussion Select an answer first
2. 32expert · hard

   An e-commerce company experiences a sudden spike in traffic during a flash sale. The application is deployed on Google Kubernetes Engine (GKE) with horizontal pod autoscaling enabled. However, the autoscaler is not scaling up fast enough, causing increased latency. The team wants to improve responsiveness while keeping costs reasonable. Which action is most effective?

   • ADisable autoscaling and manually set a high number of replicas permanently.
   • BIncrease the CPU threshold for autoscaling so it triggers sooner.
   • CPre-configure additional replicas before the sale and use a combination of CPU and custom metrics for autoscaling.
   • DMove to a single larger node pool to handle the traffic.
   Reveal Solution Discussion Select an answer first
3. 33foundation · medium

   Which stage in the support case lifecycle involves diagnosing the root cause of the issue?

   • ASubmission
   • BInvestigation
   • CBilling
   • DClosure
   Reveal Solution Discussion Select an answer first