D. The distance (in bytes) between the checkpoint position in a redo log group and the end of the current redo log group can never be more than 90 percent of the size of the smallest redo log group
C. The failure of one statement is considered a statement failure, and one way to solve the problem is to enable resumable space allocation.
C. The parameter FAST_START_MTTR_TARGET specifies the desired time, in seconds, to recover a single instance from a crash or instance failure. The parameters LOG_CHECKPOINT_TIMEOUT and FAST_START_IO_TARGET can still be used in Oracle 10g but should only be used together in an advanced tuning scenario or for compatibility with older versions of Oracle. MTTR_ TARGET_ADVICE and