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.
Dropping a tablespace in your database
B.
re-creating the control files, after you lost all the control files in your database
C.
dropping a user in your database
D.
renaming the control files
E.
enabling or disabling redo log archiving
Yes E is correct.
CREATE CONTROLFILE requires NOMOUNT mode.
Renaming the control files requires you to restart the database.
The others require the database to be open.
Peace to all