2 backup copies
3 copies
321
additional
algorithm
backup
backup strategy
business
computer
connection
copies
data
different media
digital
disk
dissaster
dissaster recovery
document
duplicate
experience
files
hardware
information
intelligent
internet
logical
network
offsite
one copy
production data
program
programmer
recovery
remote
rule
secure
security
server
skill
smart
software
storage
strategic
strategy
supplementary
support
system
tape
technology
transcript