Which two statements regarding backup sets are true? (Choose two.)
A.A backup set may contain both data files and control files.
B.Each file in a backup set must have the same Oracle block size.
C.A backup set may contain both data files and archived redo log files.
D.A backup set may contain both a control file and archived redo log files.
Answer:A
Which two statements regarding backup sets are true? (Choose two.)
A.A backup set may contain both data files and control files.
 B.Each file in a backup set must have the same Oracle block size.
 C.A backup set may contain both data files and archived redo log files.
 D.A backup set may contain both a control file and archived redo log files.
