Exam Name: Claude Certified Developer-Foundations
Certification Provider: Anthropic
Corresponding Certification: Claude Certified Developer
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Updated: Oct 19, 2026
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Anthropic CCDV-F Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Eval, Testing, and Debugging | 2.6% | - Evaluation, Testing, and Debugging |
| Agents and Workflows | 14.7% | - Agent Construction with Claude - Agent Patterns and Frameworks - Agent Architecture |
| Model Selection and Optimization | 16.8% | - Model Capabilities and Trade-offs - Performance Optimization - Model Selection - Cost and Latency Optimization |
| Applications and Integration | 33.1% | - Claude API and Client SDKs - Software Engineering Fundamentals - Message Batches and Prompt Caching - Streaming, Error Handling and Reliability - Multimodal and Structured Outputs - API Integration and Application Development |
| Claude Code | 3.1% | - Claude Code Configuration and Extensibility |
| Tools and MCPs | 10.6% | - Building Custom Tools and MCP Servers - Model Context Protocol - Tool Use and Tool Schemas |
| Prompt and Context Engineering | 11% | - Prompt Engineering - Context Management and Long-Context Techniques - Context Engineering |
| Security and Safety | 8.1% | - Secure Tool Use and Guardrails - Safety and Responsible Development - Prompt Injection and Untrusted Content - Application Security |
Anthropic Claude Certified Developer-Foundations Sample Questions:
A teammate has asked you to explain why the team's Claude application is billed for output tokens at a different rate than input tokens. They had assumed the rate was the same for both.
How would you explain the difference?
- A. Output tokens are not billed at all, because cost is determined entirely by the input tokens sent to the model on each request.
- B. Output tokens are typically billed at a higher rate than input tokens, and cost models for the application should reflect both rates separately.
- C. Output tokens are typically billed at the same rate as input tokens, and the apparent rate difference is a billing error to report to Anthropic.
- D. Output tokens are typically billed at a lower rate than input tokens, because output tokens are cheaper to produce than input tokens are to process.
Correct Answer: B 🗳️
Explanation: Only visible for 2Pass4sure members. You can sign-up / login (it's free).
You are building a Claude application that needs to maintain a persistent connection to a service that streams real-time updates. The team is unsure what communication pattern to use.
Which communication pattern would you use?
- A. A WebSocket, because WebSockets are designed for bidirectional, persistent, real-time communication between the client and the streaming service.
- B. A single long HTTP request the server holds open indefinitely, with no standard WebSocket framing on the connection.
- C. Repeated short-lived HTTP polling requests, where the application opens a new HTTP connection each time it checks for updates.
- D. File-based communication where the service writes new updates to disk and the application polls the file system for changes.
Correct Answer: A 🗳️
Explanation: Only visible for 2Pass4sure members. You can sign-up / login (it's free).
Your Claude application's prompt was written months ago and has not been updated. The team has discovered through evals that the prompt produces good results on common cases but underperforms on a specific category of inputs that has grown in volume.
How would you respond?
- A. Iterate on the prompt to address the underperforming category, validate the change with evals, and continue refining as needed.
- B. Tell users to avoid the underperforming category by adding warnings in the application's user interface about handled inputs.
- C. Add the underperforming category to a separate Claude application with its own prompt so the original prompt does not change.
- D. Replace the prompt with a new one aligned to the underperforming category, treating any common-case performance change as a known tradeoff.
Correct Answer: A 🗳️
Explanation: Only visible for 2Pass4sure members. You can sign-up / login (it's free).
You are choosing a Claude model for a high-volume classification task. Each classification is straightforward, latency requirements are tight, and per-request cost matters at scale.
Which model would you choose?
- A. Multiple Claude models in series, where each request runs through more than one model and the application combines the outputs into a final classification.
- B. A mid-tier Claude model selected by default, because mid-tier models balance quality and cost in a way the team can apply across most tasks.
- C. The largest, highest-capability Claude model, to maximize quality on every classification the application produces during normal operation across all requests.
- D. A smaller, faster Claude model, because the task is straightforward and the workload prioritizes latency and per-request cost at scale.
Correct Answer: D 🗳️
Explanation: Only visible for 2Pass4sure members. You can sign-up / login (it's free).
Your enterprise has a contract with AWS that requires Claude API calls to flow through Amazon Bedrock rather than the direct Anthropic API. Your team is building a new Claude application and is unfamiliar with this constraint.
How would you build the application?
- A. Build the application against the direct Anthropic API and ignore the contractual requirement to route Claude calls through Amazon Bedrock.
- B. Configure the application to invoke Claude through the Bedrock-compatible API path while keeping the application's logic provider-agnostic.
- C. Build two parallel implementations of every call, one for the direct Anthropic API and one for Bedrock, and pick the faster one at runtime.
- D. Build the application against the direct Anthropic API now and migrate to Bedrock in a follow-up release once the team has more experience with the Bedrock API.
Correct Answer: B 🗳️
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