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1.Which three pieces of information are considered while deciding the size of the undotablespace in your
database?(chose three.)
A.the size of an undo block
B.the size of redo log files
C.undo blocks generated per second
D.the size of the database buffer cache
E.the value of the UNDO_RETENTION parameter
Answer:ACE
2.You executed the STARTUP MOUNT command to start your database. For which database operation
do you need to start the database in the MOUNT state?
A.renaming the control files
B.dropping a user in your database
C.enabling or disabling redo log archiving
D.dropping a tablespaces in your database
E.re-creating the control files, after you lost all the control files in your database
Answer:C
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