DS0-001 Data Systems Management Practice Question
Which THREE of the following are essential components of a robust disaster recovery plan for a mission-critical database?
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
✓
Off-site or cloud storage of backups
A complete DR plan requires regular backups, a documented restoration procedure, and off-site storage to protect against site-wide disasters.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Using only RAID 0 for storage
Why it's wrong here
RAID 0 has no redundancy and is not suitable for DR.
- ✗
Keeping all data in memory
Why it's wrong here
This is a configuration choice, not a DR plan component.
- ✓
Off-site or cloud storage of backups
Why this is correct
Protects data if the primary data center is destroyed.
- ✓
Regularly tested backup restoration
Why this is correct
Ensures the backups are actually valid and recoverable.
- ✓
Documented and tested failover procedures
Why this is correct
Ensures the team can act effectively during an incident.
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.