A mission-critical server crashed on Tuesday morning at 9:24 a.m. and needs to be fully restored from tape that same day. A tape rotation scheme was implemented a month ago. Full backups are taken on Sunday at 1:00 a.m. and differentials for the remaining days of the week are at the same time.

How many tape sets are needed to restore the server?

A.
one tape set

B.
two tape sets

C.
four tape sets

D.
three tape sets