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The ABC Company is considering the following options for its backup plan: Daily full backups: Time...

The ABC Company is considering the following options for its backup plan:

Daily full backups:

Time to perform backup = 120 minutes

Size of backup = 400 GB

Time to restore from backup = 90 minutes

Weekly full backups on Saturdays, plus daily incremental backups:

Same requirements as option 1 to make and restore the full backup on Saturday, plus

Time to perform daily backup = 20 minutes

Size of daily backup = 80 GB

Time to restore each daily backup file = 20 minutes plus 10 minutes to find and load each incremental file after the first one

Weekly full backups plus daily differential backup:

Same requirements as option 1 to make and restore the full backup on Saturday, plus

Time to perform daily backup = 20 minutes first day, growing by 25 minutes each day thereafter

Size of daily backup = 80 GB first day, growing by 80 GB each day

Time to restore differential backup file = 20 minutes first day, increasing by 20 minutes each subsequent day

All backups (whether partial or full) must be retained for a full week. Which approach would you recommend? Why?

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