A. Set up an all-at-once deployment in Elastic Beanstalk. Run tests in parallel with multiple CodeBuild actions. Most Voted
B. Set up a rolling update in Elastic Beanstalk. Run tests in serial with a single CodeBuild action.
C. Set up an immutable update in Elastic Beanstalk. Run tests in serial with a single CodeBuild action.
D. Set up a traffic-splitting deployment in Elastic Beanstalk. Run tests in parallel with multiple CodeBuild actions.

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