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Answer: Implement measures to reduce the impact on affected users.
The correct course of action is to first mitigate the impact on users, as this ensures service continuity while further investigations or fixes are underway. Options A, B, and D are steps that follow after ensuring the service is stable. Mitigation is crucial in the immediate response to an incident to minimize user disruption. Reference: [Google SRE Workbook on Incident Response](https://sre.google/workbook/incident-response/) (Case Study 2).
Author: LeetQuiz Editorial Team
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As a member of an on-call Site Reliability Engineering team overseeing a web application in production, you encounter a situation where users from a specific region are reporting errors and failed requests following a recent update. After declaring an incident and assessing the impact, which action should you prioritize?
A
Roll back the previous version of the application to quickly restore service.
B
Immediately begin a root-cause analysis to understand why the incident occurred.
C
Implement measures to reduce the impact on affected users.
D
Address the root cause and document the incident in a post-mortem.
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