Applying SRE principles
Practise only this domain. 50 questions with explanations, 20 at a time.
Start applying SRE principlesSample questions
- A data ingestion service has an availability objective of 99.5 percent over a 28-day window. At the end of the window, measured availability is 99.8 percent. How much of the error budget remains unspent?Medium
- In the SRE hierarchy of service needs, which capability sits at the base, so that incident response, postmortems, and capacity planning all depend on it?Medium
- What is the main reason a team writes an error budget policy?Medium
- A team shipped 200 production changes last quarter. Thirty-six of those changes needed a hotfix, rollback, or patch to restore normal service. Which DORA metric does this count describe?Hard
- A new release of a recommendation service makes responses about 40% slower. Latency still sits inside the 300 ms SLO, and no alerts have fired yet. What is the most appropriate next step for the team?Hard