Certified Tester Quality in DevOps
Domain 1Objective 3
DORA's Performance Metrics CT-QDO Practice Questions (Page 2)
Part of the Domain 1: Fundamentals of DevOps domain, which makes up ~39% of our current practice bank. ISTQB does not publish an official question count, but from its 60-minute exam (~25–40 total, ~10–16 in this domain), expect 1–2 from this objective — we provide 24 practice questions to prepare you well beyond it. (estimate)
24questions here
5free pages
6concepts
Questions 6–10
- 6
A team made 20 deployments to production last month. Of these, 5 caused a service outage or required a hotfix. What is their change failure rate?
Select an answer first - 7
A DevOps team wants to use DORA metrics to evaluate their software delivery performance. They currently track how often they deploy to production and the time from code commit to deployment. Which two additional metrics should they add to complete the DORA set?
Select an answer first - 8
A team has a deployment frequency of once per month, lead time for changes of 3 weeks, change failure rate of 5%, and time to restore service of 2 hours. Which DORA metric is the most significant bottleneck to improving their overall performance?
Select an answer first - 9
Which of the following correctly lists the four DORA performance metrics used to measure software delivery performance?
Select an answer first - 10
A manager wants to use DORA metrics to compare the performance of two teams. Which approach is most appropriate?
Select an answer first
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