A.It ignores duplicates.
B.It prevents character set translation on import.
C.It allows rows to be inserted into a table that already exists.
D.It ignores storage parameters in the DML executed during import.

A.Redo logs were restored from tape for recovery. 
B.The file names are only used when they are copied to tape. 
C.The database was opened with the RESETLOGS option and log numbers restarted. 
D.Log names run in circular fashion; arch_3.arc is re-created by the ARCn process. 
E.A file name is randomly chosen by the archive process; as long as it is unique, it does not have to be sequential.