Your boss at Supportcenter.cn wants you to clarify Oracle 10g. Which statement regarding the usage of redo log files during instance recovery is true？（）<br>A:Transactions are rolled back using redo log files.<br>B:Transactions are rolled forward using redo log files.<br>C:Transactions are rolled back using redo log files and archived log files.<br>D:Transactions are rolled forward using redo log files and rolled back using redo log files.

Your boss at Supportcenter.cn wants you to clarify Oracle 10g. Which statement regarding the usage of redo log files during instance recovery is true？（）
A:Transactions are rolled back using redo log files.
B:Transactions are rolled forward using redo log files.
C:Transactions are rolled back using redo log files and archived log files.
D:Transactions are rolled forward using redo log files and rolled back using redo log files.

出自：Oracle认证

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