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You are in the middle of a transaction and very crucial data has been modified. Because of a hardware failure， the instance has shut down before synchronizing all the database files. Which two statements are true？（）
A:On startup， SMON coordinates instance recovery.
B:On startup， CKPT coordinates instance recovery.
C:On startup， use RMAN to perform instance recovery.
D:Uncommitted changes will be rolled back after the database is opened.
E:On startup， perform media recovery and then instance recovery.
F:On startup， all the files will be synchronized and you get both committed and uncommitted data.

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出自：Oracle认证

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