676.Which command creates an image copy?
A. backup as copy
B. backup copy
C. copy as backup
D. copy back
Answer: A
答案解析：
image copy
A bit-for-bit copy of a single data file, archived redo log file, or control file that is:
-
Usable as-is to perform recovery (unlike a backup set, which uses unused block compression and is in an RMAN-specific format)
-
Generated with the RMAN
BACKUPASCOPYcommand, an operating system command such as the UNIXcp, or by the Oracle archiver proces
官方参考：http://docs.oracle.com/cd/E16655_01/backup.121/e17630/glossary.htm#BRADV90178