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What is the purpose of the RMAN recovery catalog? (Choose all that apply.)
A. Make backups faster
B. Store RMAN metadata
C. Store RMAN scripts
D. Provide the ability to do centralized backup reporting.
E. Make recovery faster

　　The RMAN recovery caralog provides a centralized location for all RMANrelated
metadata.Thus it makes centralized reporting much easier.Additionally,you can store
scripts in the recovery catalog for use across all database that use RMAN.