CLO-002 Cloud Concepts Practice Question
What is the primary difference between vertical and horizontal scaling?
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
✓
Horizontal adds nodes
Vertical adds power to an existing node; horizontal adds more nodes.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
Horizontal adds nodes
Why this is correct
Horizontal scaling is scaling out.
- ✗
Vertical is always cheaper
Why it's wrong here
Costs depend on the workload.
- ✗
Horizontal is limited by hardware
Why it's wrong here
Horizontal is the most scalable.
- ✗
Vertical adds nodes
Why it's wrong here
Vertical scales up, not out.
About these practice questions
This CLO-002 question is part of Courseiva's 211-question bank — original exam-style content with full explanations and wrong-answer analysis, never real exam questions or exam dumps. Learn why practice questions differ from exam dumps →
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 CompTIA exam blueprint
This CLO-002 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 CLO-002 exam.