AI0-001 Implementing AI Solutions Practice Question
An AI agent is designed to book flights by calling an external API. The agent must decide which tool to call based on user input, then generate the correct API parameters. Which pattern is MOST appropriate for this workflow?
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
✓
ReAct pattern with tool descriptions and function calling
The ReAct (Reasoning + Acting) pattern interleaves reasoning steps with tool calls, allowing the agent to decide when to call a function and what arguments to use.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Chain-of-thought prompting only
Why it's wrong here
CoT improves reasoning but does not provide a mechanism to call external tools — it only generates text.
- ✗
Zero-shot prompting with JSON mode
Why it's wrong here
JSON mode ensures structured output but does not include tool selection or reasoning about when to call a function.
- ✓
ReAct pattern with tool descriptions and function calling
Why this is correct
ReAct enables the agent to reason about the next action and call the appropriate tool with correct parameters.
- ✗
Simple prompt with no tool descriptions
Why it's wrong here
Without tool descriptions, the agent cannot know which functions are available or how to call them.
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JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This AI0-001 practice question is part of Courseiva's free CompTIA certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the AI0-001 exam.