A backup is configured with a 10 minute checkpoint interval. The third checkpoint interval expires in the middle
of transferring the file images.zip. The backup fails 7 minutes later, after transferring images.zip and three
additional files. Where does the backup resume?

A.
at the point of failure in images.zip

B.
at the beginning of images.zip

C.
at the end of images.zip

D.
at the previous checkpoint