Backup sunday l0 monday – saturday l1 (diff) each week, an l0 is saved for a year. Week 52 is saved as year-end backup (not reused) can this strategy restore a file from 4 days ago? a file from 5 weeks ago? a file from last july, that was deleted in august?.

Why would a programmer use the logical operator and in an if statement? a: when an action is to be taken that requires both conditions to be falseb: when an action is to be taken that requires both conditions to be truec: when an action is to be taken that requires the first condition to be falsed: when an action is to be taken that requires the second condition to be truei took the test and the answer is b.