Question 260
An enterprise architecture team faces this design requirement: A business-critical order API has no measured user-facing latency objective and responders cannot tell if changes make availability worse. Which architecture decision best meets that precise requirement?
Explanation
Correct Answer
Operational excellence requires observable application SLOs tied to business-critical behavior. The required architecture outcome is: A business-critical order API has no measured user-facing latency objective and responders cannot tell if changes make availability worse. Validate this choice by checking that Release decisions reference tracked error rate and latency burn rather than raw instance uptime alone.
Incorrect Answers
Administrators run sensitive maintenance scripts with no enforced approval or trail. The specific problem here is that engineers measure host utilization but not the outcomes experienced by users.
Capacity planning ignores demand spikes or hot keys that concentrate requests. The specific problem here is that engineers measure host utilization but not the outcomes experienced by users.
Config findings are left as unactioned notifications while risky drift remains exposed. The specific problem here is that engineers measure host utilization but not the outcomes experienced by users.