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Claude Developer Foundations CCDV-F Practice Questions

Claude Certified Developer - Foundations

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Question 1

You are writing a system prompt for a Claude application that needs to produce output in a specific JSON shape. The downstream system will reject any output that does not match the schema.

What would your prompt need to do?

Instruct Claude to use whichever output format it considers most appropriate for each request the application handles.
Omit any reference to the format and rely on a post-processing step in the application to reshape Claude's output.
Include explicit constraints describing the required JSON schema and an instruction to produce only output matching that schema.
Instruct Claude to return JSON sometimes and free text other times so the application's output captures both formats.

Select an answer above, then submit your vote. Reading or practicing does not cast a vote.

Question 2

You are deciding between deploying a Claude-powered agent on Anthropic's hosted infrastructure or self-hosting under a "bring your own cloud" model in your own AWS account. The agent processes customer data subject to your enterprise's data residency policies, but the team wants to ship quickly and avoid managing infrastructure. Which deployment model would you recommend?

Deploying on Anthropic-hosted infrastructure while the team drafts a request to update the enterprise data residency policy to accommodate hosted AI deployments.
Self-hosting under BYOC for an initial pilot, then evaluating whether to migrate to Anthropic-hosted infrastructure once the agent's data handling patterns are better understood.
Self-hosting under BYOC to satisfy the data residency requirement, while working with the infrastructure team to reduce the operational overhead of managing the deployment.
Deploying on Anthropic-hosted infrastructure to meet the team's shipping timeline, and flagging the data residency requirement for a follow-up compliance review after launch.

Select an answer above, then submit your vote. Reading or practicing does not cast a vote.

Question 3

Your Claude application is deployed to development, staging, and production environments. Each environment uses a different model version, different prompt versions, and different plugin dependencies, but the configuration is currently scattered across environment variables, hardcoded values, and undocumented setup scripts.

How would you manage the configuration?

Consolidate the configuration into a version-controlled system documenting model version pinning, prompt versioning, and plugin dependencies for each environment.
Standardize all environments to use the same configuration values to eliminate the differences between development, staging, and production.
Move all configuration into hardcoded application code to reduce reliance on external configuration sources that are difficult to track over time.
Use the latest available model version everywhere and stop pinning model versions, on the grounds that pinning adds maintenance overhead the team should aim to reduce.

Select an answer above, then submit your vote. Reading or practicing does not cast a vote.

Question 4

Your Claude application runs a complex research workflow. Some research steps require access to all previous findings, while others only need the current question. The current implementation passes the full conversation history to every step. How would you adjust the implementation?

Pass recent conversation history to every step and prune older turns beyond a fixed lookback window to limit token consumption across the workflow.
Summarize the conversation history into a compact representation and pass the summary to each research step regardless of its context requirements.
Continue passing the full conversation history to steps that require prior findings, and reduce the history passed to steps that only need the current question.
Use subagents or multi-step workflows so each research step receives only the context it needs for its reasoning.

Select an answer above, then submit your vote. Reading or practicing does not cast a vote.

Question 5

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?

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

Select an answer above, then submit your vote. Reading or practicing does not cast a vote.

Question 6

You are setting up Claude Code for a new project repository. Your team has shared coding standards, preferred libraries, and project-specific context that every developer working on the repository should have available when they use Claude Code.

How would you set this up?

Add the coding standards and project context to the repository's existing README file and direct developers to reference it when starting Claude Code sessions.
Initialize Claude Code in the repository and document the standards and project-specific context in a CLAUDE.md file at the repository root.
Configure Claude Code through environment variables that each developer sets on their own machine when they begin working in the repository.
Document the standards in a separate wiki page maintained outside the repository so the documentation stays decoupled from the source code.

Select an answer above, then submit your vote. Reading or practicing does not cast a vote.

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