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Which statements are true regarding SecureFile LOBs? (Choose all that apply.)
Correct Answer: C,D,E
Explanation/Reference: Explanation: One of the new feature of Oracle 11g is that Oracle SecureFiles use variable chunk sizes, which can be as large as 64 MB.By storing these chunks next to one another, Oracle also minimizes fragmentation. About Deduplication SecureFiles Intelligent Deduplication, available with the Oracle Advanced Compression Option, enables Oracle Database to automatically detect duplicate LOB data within a LOB column or partition, and conserve space by storing only one copy of the data. Note that you must have a license for the Oracle Advanced Compression Option before implementing SecureFiles Intelligent Deduplication. See Oracle Database Licensing Information for more information. Note also that Oracle Streams does not support SecureFiles LOBs that are deduplicated. About Encryption SecureFiles Intelligent Encryption, available with the Oracle Advanced Security Option, introduces a new encryption facility for LOBs. The data is encrypted using Transparent Data Encryption (TDE), which allows the data to be stored securely, and still allows for random read and write access.