DS0-001 Database Structures And SQL Practice Question
A database administrator needs to store unstructured data that scales horizontally across multiple servers while maintaining high availability. Which database structure should be selected?
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
✓
NoSQL (Document Store)
NoSQL databases, such as document stores, are designed for horizontal scaling and handling unstructured data, unlike rigid relational schemas.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Relational (RDBMS)
Why it's wrong here
Relational databases rely on normalized schemas and vertical scaling.
- ✓
NoSQL (Document Store)
Why this is correct
NoSQL databases provide the flexibility for unstructured data and distributed horizontal scaling.
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Network
Why it's wrong here
Network databases use a graph-like structure that is difficult to scale horizontally.
- ✗
Hierarchical
Why it's wrong here
Hierarchical databases use a tree-like structure, which is not optimized for modern horizontal scaling.
About these practice questions
Courseiva writes every DS0-001 question from scratch — 216 in total, each with an explanation and a wrong-answer breakdown. None are copied from real exams or 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 DS0-001 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 DS0-001 exam.