Domain 4·2.6% of exam·3 concepts

Eval, Testing, and Debugging

Debug Claude applications: identify error types, choose recovery strategies, analyse traces, and isolate integration-layer failures from model output.

Official prep for this domain

Anthropic's own free prep module for this part of the syllabus, on the official prep course. Free with an Anthropic Academy sign-in.

Production Engineering, Evals & SecurityAnthropic Academy · ~211 min · Free

4.1

Debugging and Error Handling (2.6%): Debugging and error handling techniques for Claude applications, including error type identification, recovery strategy selection, trace analysis to identify failure modes, and problem origin isolation between the integration layer and model output.

Other exam domains

Domain 1 · 14.7%Agents and Workflows Domain 2 · 33.1%Applications and Integration Domain 3 · 3.1%Claude Code Domain 5 · 16.8%Model Selection and Optimization Domain 6 · 11%Prompt and Context Engineering Domain 7 · 8.1%Security and Safety Domain 8 · 10.6%Tools and MCPs

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