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A.The index tablespace contains bitmap indexes.
B.The index tablespace contains more than one data file.
C.The index tablespace supports only complete recovery.
D.The index tablespace is not a dictionary­managed tablespace.
E.There is a dependency relationship between a table and its indexes.

A.import the database from the last export
B.restore all the members in the group from the last backup
C.drop the lost member from the database， and then add a new member to the group
D.restore all the database files from the backup， and then perform a complete recovery 
E.restore all the database files from the backup， and then perform an incomplete recovery