6.4 Assisting with the Support of Deployed Solutions PROFESSIONAL-CLOUD-ARCHITECT Practice Questions (Page 4)

Questions 16–20

1. 16application · medium

   A developer is troubleshooting a microservice that intermittently returns HTTP 500 errors. The service runs on Google Kubernetes Engine (GKE) and uses Cloud Logging. The developer has access to the logs but needs to correlate the errors with specific requests and trace the call path across multiple services. What should the developer use?

   • ACloud Logging's Logs Explorer to filter for 'severity=ERROR' and manually correlate timestamps.
   • BCloud Trace to view the end-to-end latency and dependencies for each request.
   • CGKE's built-in dashboard to view pod logs and restart counts.
   • DCloud Monitoring to view the CPU and memory utilization of the pods.
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2. 17foundation · easy

   Which phase of the support lifecycle typically comes immediately after a support issue has been resolved and verified with the reporter?

   • ARoot cause analysis
   • BClosure
   • CTriage
   • DEscalation
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4. 18expert · medium

   A company has experienced multiple incidents where a database connection pool is exhausted, causing application timeouts. Each time, the team has increased the pool size, but the issue recurs. The team wants to implement a long-term fix. Which approach best addresses the root cause and feeds back into the design?

   • ASet up an alert to notify the team when connection pool usage exceeds 80% and manually intervene.
   • BConduct a root cause analysis to identify the code path that holds connections for too long, then fix the code and add monitoring for connection pool usage.
   • CMove the database to a larger machine type to handle more connections.
   • DIncrease the database connection pool size to a very high number to accommodate peak load.
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5. 19application · medium

   During a major incident affecting a customer-facing application, the incident commander asks the on-call engineer for a status update. The engineer has just identified that the issue is caused by a misconfigured load balancer. What should the engineer communicate to the incident commander?

   • AA concise summary of the impact, the suspected root cause, and the next steps being taken.
   • BAn apology for the incident and a promise to fix it as soon as possible.
   • CA request for more time to investigate before providing any update.
   • DA detailed technical explanation of the load balancer misconfiguration and the exact configuration changes that will be made.
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6. 20foundation · easy

   In the support lifecycle, what is the primary purpose of the 'issue reporting' phase?

   • ATo assign a severity level and priority to the issue
   • BTo implement a permanent fix for the reported problem
   • CTo document the root cause of the issue for future reference
   • DTo capture the problem description and initial details from the user
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