Company Policy Dictates That Full Backups Are Taken Every Sunday

Multiple Choice

Company policy dictates that full backups are taken every Sunday evening, and incremental backups occur Monday through Saturday in the evening. If data loss were to occur on a Thursday before the backup window, which of the following is the number of backup sets that would be needed to retrieve the lost data come Friday morning?

A) 1
B) 2
C) 3
D) 4
E) 5