Intermediate
Web & Software Development
Q52 / 100
What is blue-green deployment?
Correct! Well done.
Incorrect.
The correct answer is B) A deployment strategy maintaining two identical production environments, routing all traffic to blue while deploying to green, then switching instantly with easy rollback
B
Correct Answer
A deployment strategy maintaining two identical production environments, routing all traffic to blue while deploying to green, then switching instantly with easy rollback
Explanation
Blue-green: switch load balancer from blue (current) to green (new). Instant rollback by switching back. Requires double infrastructure. Alternative: canary deployment (gradually shift traffic %) for lower risk.
Progress
52/100