Which three describe how often OCR backups are taken and how many are retained,
according to the default backup schedule?
A.
every week and the Clusterware keeps the last two copies
B.
every day and the Clusterware keeps the last three copies
C.
every day and the Clusterware keeps the last two copies
D.
every 12 hours and the Clusterware keeps the last four copies
E.
every 4 hours and the Clusterware keeps the last three copies