Choose the best answer.
On the 10th ofAugust you implement an incremental database backup strategy and configure a recovery window of five days.
Level 0 backups are taken on the 10th 17th and 24th ofAugust.
Differential level 1 incremental backups are taken daily between the level 0 backups.
Today is the 26th ofAugust.
Which backups will be obsolete?
A.all backups prior to 10th ofAugust B.all backups prior to 22nd ofAugust C.all backups prior to 20th ofAugust D.all backups prior to 24th ofAugust E.all backups prior to 17th ofAugust正确答案E