Williamspecifiedthefollowinginitializationparametersettingsinthepfile：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’Williamenabledthechange-t
题目
Williamspecifiedthefollowinginitializationparametersettingsinthepfile：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’Williamenabledthechange-trackingfeaturebecausehedoesnotwanttoscantheentiredatafileduringbackup.Whatisthedefaultstoragelocationforthechangetrackingfile？（）
A.’u01\oradata\dir_A’
B.’u01\oradata\dir_B’
C.’u01\oradata\dir_C’
D.’u01\oradata\dir_D’