GK Question

technology medium true_false

Blue-Green deployment minimizes downtime by maintaining two identical production environments.

  1. True
  2. False

Answer: True

Blue-Green deployment: run current version (Blue) and new version (Green) in parallel; switch traffic to Green after validation. Enables instant rollback by reverting traffic. Reduces risk vs in-place updates. Critical for zero-downtime release strategies in DevOps.

Topic DevOps & SRE
Exam Relevance SSC JE, Banking IT, Railway