AI-300 ML Model Lifecycle And Operations Practice Question
You are configuring a 'Managed Online Endpoint' for production. You want to ensure high availability. What should you configure?
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
✓
Set the 'instance_count' to at least 2.
To ensure high availability, you should configure the 'instance_count' to be greater than 1, spanning multiple availability zones if supported.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Use 'LowPriority' compute.
Why it's wrong here
This is for cost, not availability.
- ✓
Set the 'instance_count' to at least 2.
Why this is correct
Multiple instances allow for failover.
- ✗
Set the 'instance_count' to 1.
Why it's wrong here
This is a single point of failure.
- ✗
Enable 'Auto-scaling' only.
Why it's wrong here
Scaling doesn't guarantee availability if capacity isn't managed.
About these practice questions
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JA
Written and reviewed by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
Last reviewed August 2026 · checked against the official Microsoft exam blueprint
This AI-300 practice question is part of Courseiva's free Microsoft 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 AI-300 exam.