An organization needs to develop a backup strategy that provides maximum protection against various threats including natural disasters, hardware failures, and ransomware attacks. Which of the following approaches would best meet these requirements?
Multi-regional cloud replication
Full daily backups with weekly rotations
3-2-1 backup rule
Distributed backup clustering
The 3-2-1 backup rule is considered an industry best practice for comprehensive data protection. This strategy involves:
This multi-layered approach addresses various threat vectors: the multiple copies provide redundancy, different media types protect against media-specific failures or vulnerabilities, and the offsite copy safeguards against site-wide disasters like fires or floods. The strategy is particularly effective against ransomware because having multiple copies stored through different methods increases the likelihood of having an unaffected backup available for recovery.
While all the other options provide some protection benefits, they each lack the comprehensive coverage that the 3-2-1 strategy delivers across multiple threat vectors.
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