Explanation:
The standby control file, the database backup, and the archived redo log files need to be transferred to the standby server for the standby database creation.
Incorrect Answers:
1: Not only the database backup needs to be transferred to the standby server, but he standby control file, and the archived redo log files also. Online redo log files do not need to be transferred to the standby server.
2: Not only the database backup and the archived redo log files need to be transferred to the standby server, but the standby control file also.
3: Online redo log files do not need to be transferred to the standby server.
Oracle 8, DBA Certification Exam Guide, Jason S. Couchman, p. 1158
Chapter 24: Oracle8i New Features Topics

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