问题:
The configuration of the online redo log files is as follows:

Based on this configuration, which statement is true?()
A . The LGWR process concurrently writes the redo log entries to both the members of a group.
B . When a member of a group becomes corrupt, the database crashes.
C . The sizes of the redo01a.log and redo01b.log online redo log members of group Group1 can be different.
D . When redo02a.log and redo02b.log files become corrupt, then the database operations will proceed as normal.
The configuration of the online redo log files is as follows:

Based on this configuration, which statement is true?()
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