Oracle OCP 1Z0-053 Q672(Flashback Data Archive)

678.Which are the two prerequisites before setting up Flashback Data Archive? (Choose two.)
A.Flash recovery area must be defined
B.Undo retention guarantee must be enabled.
C.Database must be running in archivelog mode.
D.Automatic undo management must be enabled.
E.The tablespace in which the Flashback Data Archive is created must have automatic segment space
Management (ASSM).
Answer: DE

參考：http://blog.csdn.net/rlhua/article/details/14138063

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