40 exam-style Claude Certified Developer - Foundations questions with an explanation after every answer. No timer, no signup — about 15 minutes.
Ranked from 937 answers in the 90 days to 11 Nov 2026. Each ranked question has 20 or more answers.
A developer expects the Messages API to remember a user's previous request, but the second call has no context. What is the correct fix?
30% missed, 56 answers
A nonprofit relief organization runs Claude via the Messages API on an air-gapped private network with no outbound internet access. During a batch eval run using the Message Batches API, every request returns an HTTP 529 status code. The engineering team must determine whether this is an API-layer failure or a model-quality failure before filing a support ticket. Which diagnostic step most accurately distinguishes between the two failure types given the private-network constraint?
31% missed, 32 answers
A media archive company stores millions of video assets and uses Claude Code to automate metadata tagging. Traffic spikes unpredictably when major events occur, causing Claude Code sessions to attempt bulk file operations that overwhelm the archive's storage API. The team wants to use repository-level configuration to constrain which tools Claude Code can invoke automatically versus which ones require explicit human approval. Which Claude Code settings mechanism best addresses this integration tradeoff?
28% missed, 32 answers
25 practice questions with answers and explanations, one PDF, covering every CCDV-F exam domain.
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Anthropic has four role-based Claude exams. There is no required order. Pick the exam that matches your work.
Claude certification changes in 2026All four Claude practice tests compared
Start with the 40 free questions on this page. Each answer comes with an explanation. The worked question pages below go deeper, one exam domain at a time. For exam format, cost, and registration, read the CCDV-F exam guide.
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No. Every question is an original practice scenario written from the public CCDV-F exam guide and official Claude documentation. None comes from the live exam. Before the exam starts, candidates accept a confidentiality and non-disclosure agreement that makes all exam content, including questions, answer options, and scenarios, Anthropic's confidential property. The exam guide says disclosing exam content can lead to an invalidated result, a revoked credential, and a ban from future exams.
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