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ISC2 CC Practice Question: Business Continuity, Disaster Recovery, and Incident Response
An organization is adopting the 3-2-1 backup rule. They currently have data on a primary server and a daily backup to an external hard drive. To comply with the rule, what is the minimum additional requirement?
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
✓
A cloud backup stored offsite
3-2-1 rule: 3 copies, 2 different media, 1 offsite. They have 2 copies on 1 media (hard drive). Need a third copy on different media and offsite.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
A second external hard drive stored on-site
Why it's wrong here
Same media type and still on-site; does not satisfy offsite requirement.
- ✗
An incremental backup to a network share
Why it's wrong here
Same media type? Network share is similar; still on-site.
- ✗
A full backup on tape stored in the same room
Why it's wrong here
Same location; need offsite.
- ✓
A cloud backup stored offsite
Why this is correct
Adds a third copy on different media (cloud) and offsite.
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This CC practice question is part of Courseiva's free ISC2 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 CC exam.