5、Which two affect the time taken for instance recovery?
A) size of redo logs
B) size of UNDO tablespace
C) FAST_START_MTTR_TARGET value
D) size of archivelogs
E) size of existing RMAN backupsets
F) UNDO_RETENTION value
Answer:AC
原文：https://www.cnblogs.com/cnblogs5359/p/9288612.html