Explanation:
After executing this statement the content and data files belonging to the IND2 tablespace will be dropped.
Incorrect Answers:
2: The statement will only succeed in any case if the tablespace is offline. There is no requirement that IND2 tablespace had to be built using Oracle-Managed Files (OMF) data files.
3: The statement will only succeed in any case if the tablespace is offline. There is no requirement that IND2 tablespace had to be built using Oracle-Managed Files (OMF) data files or the database was created using OMF.
4: The contents of the tablespace are dropped along with all its data files.
Reference:
OCP Oracle9i Database: New Features for Administrators, Daniel Benjamin, p. 153-158
Chapter 3: Manageability Enhancements
Oracle 9i New Features, Robert Freeman, p. 2-12
Chapter 1: Oracle9i Database Administration and Management Features

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