Q12 Functions Domain 3 · 20–25% of exam Priority · Real Exam

An orchestration must call activity B with the output of activity A, then C with B's output. Which Durable Functions pattern is this?

  1. A Fan-out/fan-in
  2. B Function chaining (correct answer)
  3. C Monitor
  4. D Aggregator

Shortcut: CallActivityAsync calls.

Function chaining executes activities in sequence, awaiting each result before invoking the next, expressed with successive await context.CallActivityAsync calls.