Advanced
Web & Software Development
Q92 / 100
What is a feature flag and how does it enable continuous deployment?
Correct! Well done.
Incorrect.
The correct answer is B) Runtime configuration enabling/disabling features without deployment, allowing incremental rollout, A/B testing, and instant rollback of problematic features
B
Correct Answer
Runtime configuration enabling/disabling features without deployment, allowing incremental rollout, A/B testing, and instant rollback of problematic features
Explanation
Feature flags (LaunchDarkly, Split, Unleash): deploy code dark (disabled), enable for % of users, monitor, roll back by toggle — not by reverting code. Enables trunk-based development and continuous deployment safely.
Progress
92/100