Explanation:
Log sequence number and control file sequence number are required to perform incomplete recovery using UNTIL SEQUENCE option with RMAN. The syntax of command is: RECOVER DATABASE UNTIL SEQUENCE sequence_number THREAD tread_number; Incorrect Answer:
3: Control file sequence number is not required to perform this type of incomplete recovery.
4: You don’t need the name of the last archive log to do that.
Reference:
OCP Oracle 9i Database: Fundamentals II Exam Guide, Rama Velpuri, p. 363-366
Chapter 15: RMAN Incomplete Recovery

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