1Z0-1127-25 Prompt Engineering Practice Question
A developer is using the ReAct pattern to build a reasoning agent. Which of the following best describes the two main steps in this pattern?
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Reason and Act
ReAct stands for Reason + Act. The model first reasons about the question, then decides on an action (e.g., a tool call) to gather information, iterating until a final answer is reached.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
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Retrieve and Generate
Why it's wrong here
That describes RAG, not ReAct.
- ✓
Reason and Act
Why this is correct
ReAct interleaves reasoning traces with actions (tool use) to solve tasks.
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Refine and Aggregate
Why it's wrong here
That is not a standard pattern.
- ✗
Generate and Evaluate
Why it's wrong here
That describes a verification step, not the core ReAct pattern.
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