You are assigned to restructure a monolithic application into microservices, requiring architectural decisions and changes across 45+ files. Which execution approach in Claude Code is recommended?

• A.Start with direct execution and make changes incrementally, letting the implementation reveal the natural boundaries.
• B.Use direct execution with a massive upfront prompt detailing how every service should be structured.
• C.Enter plan mode to explore the codebase and design an implementation strategy before executing changes.
• D.Write a static Prompt Chain that forces the agent to read and refactor each file sequentially.

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An automated data extraction pipeline reports 96% aggregate accuracy, but downstream users complain about frequent errors on unstructured contracts. What is the most likely cause of this discrepancy?

• A.The system is experiencing the 'lost in the middle' effect.
• B.Aggregate accuracy metrics are masking poor performance on specific document types (e.g., contracts vs receipts).
• C.The model's temperature parameter is set too low for contract analysis.
• D.The pipeline lacks a PostToolUse hook for error catching.

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When applying few-shot prompting to improve extraction quality for ambiguous scenarios, what is the optimal number of examples to provide?

• A.1 example to establish the JSON format.
• B.2 to 4 examples, covering standard and edge cases.
• C.8 to 10 examples to cover all possible variations.
• D.15 or more examples to thoroughly fine-tune the model's reasoning.

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When orchestrating an agentic workflow using the Claude Agent SDK, you must enforce a strict business rule: the agent is never allowed to issue refunds over $500. What is the most robust and deterministic method to implement this constraint?

• A.Add a capitalized warning in the system prompt: NEVER process a refund exceeding $500.
• B.Implement a PostToolUse hook that intercepts the process_refund tool inputs, checks the amount, and programmatically blocks execution if it exceeds 500.
• C.Configure the agent's tool_choice parameter to auto so it can decide when a refund is inappropriate.
• D.Provide few-shot examples showing the agent refusing to process a $600 refund.

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A developer needs to perform a monolith-to-microservices migration spanning 45+ files. Why is Plan Mode recommended over Direct Execution for this task?

• A.It uses the Message Batches API to reduce token costs by 50 percent during execution.
• B.It enables safe codebase exploration and design to determine architectural approaches before making costly file modifications.
• C.It automatically forks the session into a persistent subagent.
• D.It bypasses the token limit context window by executing across multiple continuous sessions automatically.

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