CCDV-F objective 5.2 · Domain 5 · 16.8% of the exam
Technical Fundamentals
The transport and the client. An SDK is a typed wrapper over the same REST endpoints, so it replaces stream parsing and retry policy while never replacing conversation state, cache placement or idempotency. Streaming is a one-way event stream over an ordinary POST, which rules out steering a response that is already in flight. Response content is a growing union of block types, so reading the first one and taking its text is a bug waiting for the next feature.
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The rest of domain 5: Model Selection and Optimization
This domain is 16.8% of a scored form, about 9 of the 53, spread across 4 objectives. Drill the whole domain or pick another objective below.
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