CV0-004 Cloud Architecture and Design Practice Question
A company runs a web application on AWS EC2 instances behind an Application Load Balancer. They want to handle traffic spikes automatically. Which scaling approach should they implement?
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
✓
Auto-scaling
Auto-scaling adds or removes instances based on metrics like CPU utilization, handling traffic spikes automatically.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Vertical scaling
Why it's wrong here
Vertical scaling increases instance size but requires downtime and does not auto-scale.
- ✓
Auto-scaling
Why this is correct
Auto-scaling automatically adjusts capacity based on defined metrics.
- ✗
Manual scaling
Why it's wrong here
Manual scaling requires human intervention and cannot react automatically to spikes.
- ✗
Horizontal scaling
Why it's wrong here
Horizontal scaling adds instances but without automation it does not handle spikes automatically.
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JA
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.