Option A combines the contractual, technical, and operational measures relevant to a defensible GDPR posture. For commercial services, the Data Processing Addendum defines processor obligations and incorporates safeguards such as Standard Contractual Clauses where applicable. Anthropic states that its DPA is incorporated into its Commercial Terms, while the customer remains responsible for determining lawful purposes, issuing processing instructions, and fulfilling controller obligations.

A defined retention configuration ensures personal data is not retained indefinitely without a documented purpose. Redacting personal information that is unnecessary for the task implements data minimization and reduces exposure in prompts, logs, retrieval stores, and model outputs. Documented data-subject-rights procedures support access, correction, deletion, restriction, and other applicable requests by ensuring the organization can locate and act on relevant records.

Enterprise deployment alone does not establish compliance; the organization must configure and govern the service consistently with its processing activities, risk assessment, lawful basis, and contractual commitments. Options B, C, and D intentionally remove those controls or promote excessive collection.

Study Guide references/topics: [Anthropic Data Processing Addendum guidance](https://privacy.anthropic.com/en/articles/7996862-how-do-i-view-and-sign-your-data-processing-addendum-dpa); [commercial data-retention practices] (https://privacy.anthropic.com/en/articles/7996866-how-long-do-you-store-my-organization-s-data); GDPR data minimization; retention governance; data-subject-rights procedures.

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Sound human-in-the-loop design places review before a high-impact or irreversible action occurs. The reviewer must receive sufficient context and explicit approval criteria so that the checkpoint functions as a meaningful control rather than a ceremonial step. This is especially important when Claude outputs could initiate financial transactions, publish sensitive material, alter access rights, affect employment decisions, or trigger other consequential actions. Option A provides only retrospective auditing and cannot prevent harm. Option C may support monitoring or quality measurement, but random sampling does not protect every case that requires mandatory approval, particularly when review criteria are undefined. Option D removes the accountability and intervention mechanism entirely. Therefore, B provides the strongest design by combining risk-based placement, human authority, and clearly defined verification requirements before execution.

The evaluation specification must exist before inference begins. Option D defines what the evaluation will measure and how results will be segmented. Representative cases measure normal workload performance, edge cases test boundary behavior, and adversarial cases examine safety, security, or robustness under hostile inputs.

Option B then supplies the correctly curated and labeled dataset corresponding to those slices. Labels, expected outcomes, grading rubrics, provenance, and dataset versions must be established before the deployment generates outputs. Otherwise, evaluators risk modifying criteria after seeing results and introducing confirmation bias.

Anthropic defines an evaluation as an input combined with grading logic used to measure success. Its evaluation guidance distinguishes tasks, trials, graders, traces, outcomes, and the harness that runs and aggregates them. Demystifying Evals for AI Agents

Option E occurs after model execution because outputs must exist before they can be scored. Option A follows scoring and aggregation. Option C is an iterative improvement step performed after failure cases become available, although rubric calibration may also be conducted on separate development data.

Study Guide references/topics: Evaluation specification; metrics and slices; representative and adversarial datasets; labeling; scoring; aggregation; release gates.

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