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Exam CCAK topic 1 question 161 discussion

Actual exam question from Isaca's CCAK
Question #: 161
Topic #: 1
[All CCAK Questions]

Which of the following is a CRITICAL element that facilitates a blue-green deployment test?

  • A. Testing of code in development before migration to production environment
  • B. Running of compliance and unit tests in parallel
  • C. Change in network traffic routing rules
  • D. Maintenance of one production region to serve clients
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Suggested Answer: C 🗳️
by sai_murthy at Feb. 14, 2024, 9:51 p.m.

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339dfab
1 month ago
C. page 349. CCAK Study Guide 8.3.3 Managed/Blue-Green Deployments ..If the new code passess all required tests, the load balancer sends all the traffic to the green servers, the blue servers are retired, and the green becomes the new blue. If errors are discovered, the load balancers are pointed back to the old blue until a new patched version is available. Hence DNS routing through record updates is a common approach to blue/green deployments. DNS is used as a mechanism for switching traffic from the blue environment to the green and vice versa when rollback is necessary.
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