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CV0-004 · Question #32

A cloud engineer needs to deploy a new version of a web application to 100 servers. In the past, new version deployments have caused outages. Which of the following deployment types should the cloud…

The correct answer is B. Blue-green. A blue-green deployment strategy involves running two identical production environments, "Blue" (the current version) and "Green" (the new version), in parallel. All incoming traffic is routed to the current (Blue) environment. The new version (Green) is deployed and thoroughly…

Deployment

Question

A cloud engineer needs to deploy a new version of a web application to 100 servers. In the past, new version deployments have caused outages. Which of the following deployment types should the cloud engineer implement to prevent the outages from happening this time?

Options

  • ARolling
  • BBlue-green
  • CCanary
  • DRound-robin

How the community answered

(22 responses)
  • A
    5% (1)
  • B
    77% (17)
  • C
    5% (1)
  • D
    14% (3)

Explanation

A blue-green deployment strategy involves running two identical production environments, "Blue" (the current version) and "Green" (the new version), in parallel. All incoming traffic is routed to the current (Blue) environment. The new version (Green) is deployed and thoroughly tested in its own separate environment. Once validated, traffic is instantly switched from Blue to Green.

Topics

#Deployment strategies#Blue-green deployment#Zero-downtime#Application updates

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