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1z0-043

单项选择题

William specified the following initialization parameter settings in the pfile：  
BACKGROUND_DUMP_DEST = ’u01\oradata\dir_A’  
USER_DUMP_DEST = ’u01\oradata\dir_B’  
DB_CREATE_FILE_DEST = ’u01\oradata\dir_C’  
DB_CREATE_ONLINE_LOG_DEST_n = ’u01\oradata\dir_D’  
William enabled the change-tracking feature because he does not want to scan the entire datafile during backup. What is the default storage location for the change tracking file？（）  

A. ’u01\oradata\dir_A’
B. ’u01\oradata\dir_B’
C. ’u01\oradata\dir_C’
D. ’u01\oradata\dir_D’

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