DEA-1TT5 Associate - Information Storage And Management Version 5.0

What does the '3-2-1 backup rule' recommend?

3 full backups, 2 differentials, and 1 incremental per week 3 copies of data, on 2 different media types, with 1 copy stored offsite 3-hour, 2-hour, and 1-hour recovery time objectives for different data tiers Back up 3 times per day, keep 2 weeks of history, 1 year of monthly backups

Correct Answer:

3 copies of data, on 2 different media types, with 1 copy stored offsite

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