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Anthropic CCDV-F Exam Syllabus Topics:

Anthropic Claude Certified Developer-Foundations Sample Questions:

Question 1

Your Claude application's outputs are inconsistent in format. The team's instructions are scattered across the system prompt and user messages, with some instructions stated only once and others repeated.
How would you fix the inconsistency?

A. Consolidate behavioral and format instructions in the system prompt and keep user messages focused on the user's input.
B. Move all instructions into the user message so the application's behavior is controlled at the input point.
C. Repeat all instructions in both the system prompt and the user message so the model sees each instruction more than once.
D. Place each instruction wherever the developer who first wrote it found most natural, retaining the original intent.

Question 2

Your Claude application validates structured output but has been treating validation failures as terminal errors. Each validation failure causes the entire user request to fail. The team wants to handle validation failures more gracefully.
How would you handle the validation failures?

A. Disable output validation until the underlying cause of validation failures has been identified and addressed in a future release.
B. Treat validation failures as a recognized error path that triggers retry, repair, or fallback logic before failing the user request.
C. Pass validation failures directly to downstream systems and let each downstream system decide how to handle the malformed output.
D. Tell users that validation failures are unavoidable and instruct them to perform manual accuracy checks before relying on outputs.

Question 3

You are building an agent that needs to call several internal APIs and a database in a structured, repeatable way. Your team has decided to use the Claude Agent SDK rather than build a custom loop. You are setting up the agent's tool definitions and execution loop.
How would you set up the tools and execution loop?

A. Use the SDK's tool interface and write the loop and history layer in the team's own code.
B. Use the SDK's tool interface and loop, with conversation history stored in a separate team database.
C. Call the Messages API directly and let the model format its tool calls in plain text.
D. Use the SDK's tool interface and let the SDK handle the loop, dispatch, and history.

Question 4

The Anthropic API deprecated a request parameter that your Claude application uses in approximately 40 places across the codebase. The deprecation notice gives a six-month window before the parameter is removed and recommends a replacement parameter with slightly different semantics.
You would respond to the deprecation by...

A. Migrating all 40 call sites in a single change near the removal date to ensure the deprecated parameter continues to work as long as possible.
B. Adding regression tests to cover the parameter's behavior, then migrating call sites in batches that you validate against regression tests.
C. Swapping all 40 call sites in a single change right away to prevent drawn-out migration work that will delay ongoing functioning.
D. Keeping the deprecated parameter in place while writing a wrapper function around it to insulate the rest of the codebase from the eventual change.

Question 5

You are setting up the configuration management approach for a new Claude Code project. Your team will use CLAUDE.md files and settings.json files to control behavior, and you want to make sure changes are tracked and reviewable.
The configuration management approach would...

A. Version-control CLAUDE.md and settings.json files alongside the project's source code, with changes reviewed through standard pull request workflows the team applies.
B. Version-control CLAUDE.md alongside the project's source code and settings.json files in a separate repository from the project's source code.
C. Duplicate CLAUDE.md and settings.json files in multiple repositories to provide redundancy, on the grounds that a single source of truth is risky for project configuration.
D. Version-control CLAUDE.md and settings.json files in a separate repository from the project's source code, so configuration evolves independently from the application code over time.

Solutions: