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What is the 3-2-1 rule?

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Question by Network Technology · Oct 18, 2026

What is the 3-2-1 rule?

Asked by Network Technology • Oct 18, 2026

Question from the article "How to Build a Reliable IT Backup Plan for Your Business".

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Network Technology • Staff Oct 18, 2026 12:57

Three copies of the data, on two different media, with one of them outside the office.

More in the article: https://ntg.bg/en/blog/it-backup-plan-biznes

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