Teaching UGC NET Mock Test Series 2025 (Paper 1 & 2) Library Science Knowledge Society Knowledge Society Basic
What is the 3 ∶ 2 ∶ 1 rule for back-ups of active data?
1
Three back - ups on two sites on one media.
2
Three different media back- ups in two formats on one site.
3
Three different format back- ups in two media with atleast one off site.
4
Three back-ups on two types of media with at least one off site.