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Note the following points describing various utilities in Oracle Database 11g：  1：It enables the high-speed transfer of data from one database to another.  2：It provides a complete solution for the backup， restoration， and recovery needs of the entire database.  3：It enables the loading of data from an external file into an Oracle database.  4：It provides a tape backup management for the Oracle ecosystem. Which point describes Oracle Secure Backup（）
A:1
B:2
C:3
D:4
E:1，2，and 4
F:1，2，3，and 4

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出自：Oracle认证

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