QUESTION 86
To enable faster incremental backups, you enabled block change tracking for the database.
Which two statements are true about the block change tracking file? (Choose two.)
A. Multiple change tracking files can be created for a database.
B. The change tracking file must be created after thefirst level 0 backup.
C. RMAN does not support backup and recovery of the change tracking file.
D. The database clears the change tracking file and starts tracking changes again, after whole database
restore and recovery operations.
Answer: CD
同662题：http://blog.csdn.net/rlhua/article/details/14551945
Explanation/Reference:
Section: Backup, Recovery & Recovery Manager (RMAN)