单选题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
题目
单选题
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