CCARF Practice Question

Paper 5 · Question 17

D3 Claude Code Configuration & Workflows · Paper 5

[Scenario: Claude Code for Continuous Integration] Your CI pipeline includes two Claude-based code review modes: a pre-merge-commit hook that blocks PR merge until completion, and a “deep analysis” that runs overnight, polls for batch completion, and posts detailed suggestions to the PR. You want to reduce API cost using the Message Batches API, which offers 50% savings but requires polling and can take up to 24 hours. Which mode should use batch processing?

• A.Only the pre-merge-commit hook.
• B.Only the deep analysis.
• C.Both modes.
• D.Neither mode.

Show answer & explanations

Correct answer: B

A: The pre-merge hook blocks developers. A batch window of up to 24 hours makes that hook unusable.

B: Deep analysis is an ideal candidate for batch processing because it already runs overnight, tolerates delay, and uses a polling model before publishing results—matching the asynchronous, polling-based architecture of the Message Batches API while capturing 50% savings.

C: The blocking hook cannot wait on a batch, even if the overnight job can.

D: Deep analysis already polls overnight. That is the workload the Batches API fits.

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