1Z0-1127-25 Prompt Engineering Practice Question
A prompt engineer is using the ReAct pattern to enable the model to reason and act (e.g., call tools). Which THREE components are essential in the prompt to implement ReAct correctly?
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
✓
A list of available actions or tools with descriptions
ReAct requires a scratchpad to record reasoning, a set of available actions (tools), and a format showing how to interleave reasoning and actions.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
A stop sequence after each action
Why it's wrong here
Stop sequences are not required; the pattern uses observation from environment.
- ✗
A system prompt that sets a high temperature
Why it's wrong here
Temperature is not an essential component of ReAct.
- ✓
A list of available actions or tools with descriptions
Why this is correct
The model must know which actions it can take.
- ✓
A scratchpad where the model can write intermediate thoughts
Why this is correct
Scratchpad is needed to store reasoning steps.
- ✓
A few-shot example showing the Thought/Action/Observation loop
Why this is correct
Examples demonstrate the ReAct cycle.
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Written by Johnson Ajibi, MSc IT Security
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