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Exam CV0-003 topic 1 question 283 discussion

Actual exam question from CompTIA's CV0-003
Question #: 283
Topic #: 1
[All CV0-003 Questions]

A developer wants to use an environment that has two sets of servers, with one active and one passive at any time. When a new version of the application is ready, it will be installed to the passive servers, which will then become active. Which of the following environment types BEST describes these two sets of servers?

  • A. Disaster recovery
  • B. Blue-green
  • C. Development
  • D. Staging
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Suggested Answer: B 🗳️
by BigM at March 1, 2025, 3:37 p.m.

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BigM
2 months, 2 weeks ago
Selected Answer: B
Explanation: A blue-green deployment is a deployment strategy that uses two identical environments, where: Blue (active) serves live traffic. Green (passive) is idle and used for staging the new version. When a new version is ready: It is deployed to the Green (passive) environment. After testing, traffic is switched from Blue (old) to Green (new). If issues arise, traffic can roll back to Blue. This ensures zero downtime and reduces the risk of deployment failures.
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