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Hardest Claude Certified Architect - Foundations questions

Review these Claude Certified Architect - Foundations practice questions first, then retake the test.

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Review question 1

Architecture & Workflow

Agentic Architecture and Orchestration
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A claims process has a fixed sequence and each transition must be auditable: intake, extraction, rule validation, human approval, and payment. Which architecture best fits?

Correct answer
D. A deterministic state machine where Claude handles ambiguous extraction and explanation and code enforces transitions and approval

The process has known stages and high-impact transitions. Deterministic orchestration creates auditability while reserving model judgment for the genuinely ambiguous steps.

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Review question 2

Tool Design & Schema

Tool Design and MCP Integration
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A tool named `manage_account` accepts a free-form action string and a large untyped payload. Claude frequently forms unsafe calls. What redesign is best?

Correct answer
C. Split it into narrow, intent-revealing tools with typed parameters, validation, and explicit error contracts

Narrow tools reduce ambiguity and make authorization and validation specific to each operation. A broad free-form mutation surface is difficult to reason about safely.

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Review question 3

Claude Code & Hierarchy

Claude Code Configuration and Workflows
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A monorepo has organization-wide security rules and service-specific test commands. How should Claude Code instructions be structured?

Correct answer
B. Keep universal rules at the repository level and service guidance near each service, avoiding duplication

Layered instructions mirror scope. Universal guidance remains visible while local files keep service context relevant and maintainable.

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