Oracle OCP 1Z0 053 Q554(Backup Controlfile)

554.Which is not a valid way of backing up a control file?
A. Backing up the control file to trace
B. Copying the existing control file of the database to the backup location during a hot backup
C. Copying the existing control file of the database to the backup location during a cold backup
D. Creating a backup control file
E. Using the create controlfile command
Answer: B


熱備時，SCN等資訊是隨時在變動的

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