CV0-004 Operations and Support Practice Question
A cloud administrator is configuring an auto-scaling group for a stateless application. The scaling policy should add 2 instances when the average CPU utilization exceeds 80% for 5 minutes, and remove 1 instance when CPU drops below 40% for 5 minutes. Which type of scaling policy should be used?
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
✓
Step scaling policy
Step scaling allows specifying different scaling adjustments based on the size of the alarm breach. It can add a specific number of instances for a high CPU breach and remove a specific number for a low CPU breach.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Simple scaling policy
Why it's wrong here
Simple scaling only performs one adjustment per alarm and waits for cooldown.
- ✗
Scheduled scaling policy
Why it's wrong here
Scheduled scaling changes capacity at specific times, not based on metrics.
- ✓
Step scaling policy
Why this is correct
Step scaling can define different adjustments for different metric ranges.
- ✗
Target tracking scaling policy
Why it's wrong here
Target tracking adjusts capacity to maintain a target metric value, not specific step changes.
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This CV0-004 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 CV0-004 exam.