Anthropic · CCDV-F
Thinking, caching, platforms, and batch
CCDV-F · Lesson 6 of 21 · 41:47
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In this lesson
Prepare for the Claude Certified Developer – Foundations exam, on the exam guide version 1.0, effective July 2026. In this lesson: adaptive thinking and the effort setting, thinking blocks in tool loops, prompt caching with cache_control, Claude on Amazon Bedrock and other platforms, a stateless API and zero data retention, and the Message Batches API at half price. Includes three original practice questions.
Preview the topics
- Driftwood’s system prompt starts with the current date and time, followed by an 8,000 token policy, and the cache never hits. What should change?
- Driftwood wants Claude through its AWS account, with AWS billing, and it also needs Agent Skills and the beta features of the Anthropic platform. Which option fits?
- Driftwood’s support chat must answer a buyer within seconds, and a developer proposes the Message Batches API to cut costs. What is the problem?