Explanation:
To minimize the time of recovery RMAN is useful allowing incremental block-level backups and storing backup, restore, and recovery scripts. Incorrect Answer:
1: It’s not good reason to reduce the time of recovery: command line language requires more manual steps to be performed.
2: This statement is true, but question was about reducing the time of recovery: other answers fit more to this requirement.
Reference:
OCP Oracle 9i Database: Fundamentals II Exam Guide, Rama Velpuri, p. 224-225
Chapter 9: Oracle Recovery Manager Overview and Configuration

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