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Anthropic CCDV-F Exam Syllabus Topics:

SectionWeightObjectives
Tools and MCPs10.6%- Tool Development and Integration
  • 1. Design and implement custom tools for Claude applications and agents
    • 2. Handle tool schemas, invocation, and tool-use results
      - Model Context Protocol
      • 1. Build and integrate MCP servers
        • 2. Apply MCP concepts and patterns for connecting models to external capabilities
          Security and Safety8.1%- Safety and Guardrails
          • 1. Implement safety controls and guardrails
            • 2. Use hooks and other mechanisms to enforce application controls
              - Secure Application Design
              • 1. Apply secure-by-design practices to Claude-powered applications
                • 2. Protect sensitive data and manage access appropriately
                  Applications and Integration33.1%- Claude API and Client SDKs
                  • 1. Implement streaming and handle API errors
                    • 2. Integrate applications with the Claude API and supported client SDKs
                      • 3. Construct and process API requests and responses
                        - Application Development and Integration
                        • 1. Build and ship production-grade Claude-powered applications
                          • 2. Integrate Claude capabilities into existing software systems and workflows
                            • 3. Handle multimodal and structured application inputs and outputs
                              Agents and Workflows14.7%- Agent Architecture and Tradeoffs
                              • 1. Evaluate tradeoffs between agentic approaches and traditional workflows
                                • 2. Select appropriate agent architectures and patterns
                                  - Claude Agent SDK and Agent Loops
                                  • 1. Build and configure agents using the Claude Agent SDK
                                    • 2. Implement and manage custom agent loops
                                      - Subagents and Agentic Frameworks
                                      • 1. Apply appropriate agentic frameworks and orchestration patterns
                                        • 2. Use subagents and coordinate multi-agent workflows
                                          Prompt and Context Engineering11%- Context Engineering
                                          • 1. Manage context windows and application context
                                            • 2. Apply context management strategies for agents and long-running workflows
                                              - Prompt Engineering
                                              • 1. Apply prompting techniques to improve reliability and output quality
                                                • 2. Design prompts appropriate to application requirements
                                                  Claude Code3.1%- Claude Code Configuration and Usage
                                                  • 1. Use CLAUDE.md and project configuration
                                                    • 2. Configure settings and development environments
                                                      • 3. Use Skills, plugins, and Claude Code capabilities effectively
                                                        Eval, Testing, and Debugging2.6%- Evaluation
                                                        • 1. Interpret evaluation results and improve application quality
                                                          • 2. Design and run evaluations for Claude-powered applications
                                                            - Testing and Debugging
                                                            • 1. Test Claude integrations and agentic systems
                                                              • 2. Diagnose and debug application, agent, and integration issues
                                                                Model Selection and Optimization16.8%- Model Selection
                                                                • 1. Select appropriate Claude models for task requirements
                                                                  • 2. Evaluate quality, latency, capability, and cost tradeoffs
                                                                    - Performance and Cost Optimization
                                                                    • 1. Apply prompt caching and other cost optimization techniques
                                                                      • 2. Use batching and other approaches to improve efficiency

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                                                                        Anthropic Claude Certified Developer-Foundations Sample Questions (Q82-Q87):

                                                                        NEW QUESTION # 82
                                                                        Your Claude application receives untrusted input from external sources. The team is establishing how the application should treat this untrusted input.
                                                                        Untrusted input would be...

                                                                        Answer: C

                                                                        Explanation:
                                                                        Option A is the appropriate trust-boundary treatment for external content. Untrusted text can contain malformed data, adversarial instructions, prompt-injection attempts, or content deliberately constructed to alter the agent's behavior. It should therefore be validated or screened before inclusion and clearly represented as untrusted data rather than authoritative application instructions.
                                                                        Anthropic's prompt-injection guidance distinguishes direct attacks from indirect prompt injection, where Claude processes third-party content such as webpages, emails, documents, or tool output containing hostile instructions. Anthropic recommends input validation and screening, least-privilege access, safe treatment of untrusted tool content, and screening content before Claude acts on it. Importantly, Anthropic notes that tool- result content is treated as untrusted data rather than as a reliable place for application instructions.
                                                                        B erases the trust distinction and exposes the application to instruction/data confusion. C introduces a deliberately weaker security boundary and does not sanitize the data. D prevents legitimate use cases unnecessarily; untrusted does not mean unusable-it means the data must be handled defensively.
                                                                        Therefore, A correctly combines validation with explicit trust separation. Relevant Study Guide topics:
                                                                        prompt injection, untrusted content, input validation, sanitization, data/instruction separation, least privilege, and defense in depth.


                                                                        NEW QUESTION # 83
                                                                        Your team is preparing a new Claude application for production, and the product team has asked for a cost projection. The team needs to estimate the cost based on expected request volume, average input length, and average output length. How would you build the projection?

                                                                        Answer: D

                                                                        Explanation:
                                                                        Option B is correct because Claude API cost is fundamentally driven by usage volume multiplied by the token economics of the selected model and features. A credible projection must therefore estimate requests, average input tokens per request, average output tokens per request, applicable input/output prices, and expected prompt-cache behavior. Anthropic's pricing documentation treats input, output, cache writes, and cache reads as distinct billable categories, with cache hits priced below standard input processing.
                                                                        A practical forecast can be modeled as: request volume × expected per-request input cost plus request volume
                                                                        × expected per-request output cost, adjusted for cache-write/read rates and any other applicable pricing modifiers. The model should also include ranges for variance rather than only one point estimate, because token lengths and cache-hit rates will fluctuate in production.
                                                                        Option A assumes a historical application has the same token profile and pricing, which may be false. Option C omits output tokens even though output pricing can be a material share of cost. Option D postpones the very token estimates the product team needs before launch.
                                                                        Therefore, B is the complete projection method. Relevant Study Guide topics: token accounting, model pricing, prompt caching, cost forecasting, workload sizing, and production economics.


                                                                        NEW QUESTION # 84
                                                                        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?

                                                                        Answer: D

                                                                        Explanation:
                                                                        Option C is correct. Claude Code uses CLAUDE.md as the standard mechanism for supplying persistent project-level instructions and context. Anthropic's Claude Code documentation states that project instructions can be stored in ./CLAUDE.md or ./.claude/CLAUDE.md and shared with team members through source control. Appropriate content includes coding standards, architectural decisions, project conventions, build/test commands, preferred workflows, and information developers would otherwise need to repeat to Claude during every session. The /init command can also generate an initial CLAUDE.md based on the repository.
                                                                        A wiki may be valuable for human documentation, but Claude Code does not automatically receive that material as project context. B creates developer-specific configuration and risks inconsistency across the team. D places the information in a human-facing README but does not use Claude Code's purpose-built persistent instruction mechanism.
                                                                        Therefore, C gives the repository a shared, version-controlled source of Claude-specific project guidance.
                                                                        Relevant Study Guide topics: CLAUDE.md, project configuration, persistent instructions, repository context, team standards, and configuration management.


                                                                        NEW QUESTION # 85
                                                                        Your Claude agent has access to a tool that retrieves customer records. A teammate has noticed that the agent occasionally calls the tool with arguments the schema does not declare, and the tool's downstream service returns an error each time. The teammate proposes loosening the schema so the tool accepts whatever arguments the model produces.
                                                                        How would you respond?

                                                                        Answer: A

                                                                        Explanation:
                                                                        The supplied question identifies B as the intended answer. Tool schemas are contracts between Claude and executable application code. When the downstream service accepts only a defined set of arguments, relaxing that schema merely shifts invalid data farther into the system and increases runtime failures.
                                                                        Anthropic's current tooling provides an even stronger implementation of this principle through strict tool use
                                                                        . Setting strict: true constrains tool inputs to the declared JSON Schema, preventing undeclared properties, missing required values, and incompatible parameter types where the supported schema subset is used.
                                                                        Anthropic explicitly recommends strict tool use for validated parameters, type-safe function calls, and reliable agentic workflows.
                                                                        In a non-strict or legacy implementation, the application should still validate arguments before dispatch and convert invalid calls into structured tool errors that Claude can interpret and potentially correct. A prompt instruction can reinforce behavior, but it should not replace deterministic validation. C and D weaken the system boundary and knowingly send invalid calls downstream.
                                                                        Therefore, maintain the contract rather than adapting the contract to malformed model output.
                                                                        Relevant Claude Developer topics: Agent Construction, tool schemas, strict tool use, JSON Schema, parameter validation, structured errors, retry behavior, and defensive execution boundaries .


                                                                        NEW QUESTION # 86
                                                                        Your Claude application's content policy specifies categories of content it should not produce under any circumstance. The application currently has no mechanism to enforce this policy, and content matching these categories is appearing in the application's output.
                                                                        How would you enforce the content policy?

                                                                        Answer: B

                                                                        Explanation:
                                                                        Option D is the strongest enforcement design because an unconditional content policy requires an application- level control between model generation and user delivery. Prompt instructions are valuable for steering Claude, but they are probabilistic controls and should not be treated as the sole enforcement mechanism when prohibited categories must never be exposed.
                                                                        Anthropic's guardrail guidance recommends layered safeguards including screening, validation, monitoring, and filtering rather than relying exclusively on prompts. Its prompt-leak guidance specifically recommends output screening and post-processing, including deterministic techniques such as keyword matching, regular expressions, or other text-processing mechanisms where appropriate.
                                                                        A improves the probability of policy compliance but cannot guarantee that every generated response will satisfy an externally defined application policy. B explicitly abandons the requirement. C detects violations only after exposure, which is unsuitable when the content must not reach users.
                                                                        A production architecture can combine system instructions, structured classification, policy engines, deterministic rules, and model-based moderation, but the decisive requirement is enforcement before output delivery. Relevant Claude Developer topics are guardrails, output filtering, content moderation, deterministic enforcement, defense in depth, safe application boundaries, and production Claude application design.
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