Oracle Exam 1Z0-1084-21 Topic 9 Question 21 Discussion

Actual exam question for Oracle's 1Z0-1084-21 exam

Question #: 21
Topic #: 9

What is the difference between blue/green and canary deployment strategies?

AIn blue/green, application Is deployed In minor increments to a select group of people. In canary, both old and new applications are simultaneously in production.

BIn blue/green, both old and new applications are in production at the same time. In canary, application is deployed Incrementally to a select group of people.

CIn blue/green, current applications are slowly replaced with new ones. In < MW y, Application ll deployed incrementally to a select group of people.

DIn blue/green, current applications are slowly replaced with new ones. In canary, both old and new applications are In production at the same time.

Show Suggested Answer

Suggested Answer: B

Blue-green deployment is a technique that reduces downtime and risk by running two identical production environments called Blue and Green. At any time, only one of the environments is live, with the live environment serving all production traffic. For this example, Blue is currently live and Green is idle.

https://docs.cloudfoundry.org/devguide/deploy-apps/blue-green.html

Canary deployments are a pattern for rolling out releases to a subset of users or servers. The idea is to first deploy the change to a small subset of servers, test it, and then roll the change out to the rest of the servers. ... Canaries were once regularly used in coal mining as an early warning system.

https://octopus.com/docs/deployment-patterns/canary-deployments

by Eden at Jun 25, 2022, 02:58 PM

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