DOP-C02 Question #458: Real Exam Question with Answer & Explanation

Question

A company uses a trunk-based development branching strategy. The company has two AWS CodePipeline pipelines that are integrated with a Git provider. The pull_request pipeline has a branch filter that matches the feature branches. The main_branch pipeline has a branch filter that matches the main branch. When pull requests are merged into the main branch, the pull requests are deployed by using the main_branch pipeline. The company's developers need test results for all submitted pull requests as quickly as possible from the pull_request pipeline. The company wants to ensure that the main_branch pipeline's test results finish and that each deployment is complete before the next pipeline execution. Which solution will meet these requirements?

Options

• AConfigure the pull_request pipeline to use SUPERSEDED mode. Configure the main_branch
• BConfigure the pull_request pipeline to use PARALLEL mode. Configure the main_branch pipeline
• CConfigure the pull_request pipeline to use PARALLEL mode. Configure the main_branch pipeline
• DConfigure the pull_request pipeline to use QUEUED mode. Configure the main_branch pipeline to

Explanation

In CodePipeline's execution mode, PARALLEL mode for pull_request pipelines ensures that multiple feature branches can be tested simultaneously for quick feedback. QUEUED mode for main_branch ensures deployments run sequentially -- each must finish before the next begins, preventing overlap. This configuration aligns with AWS CodePipeline best practices for trunk-based development and concurrent test pipelines.

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