Explanation:
To configure a database in ARCHIVELOG mode you cannot need use options: STARTUP FORCE MOUNT and SHUTDOWN ABORT with following STARTUP MOUNT command. All other answers are acceptable to start a database in the MOUNT stage.
Incorrect Answers:
3: This command can be used to open database in the MOUNT stage correctly.
4: This command can be used to open database in the MOUNT stage correctly.
5: This command can be used to open database in the MOUNT stage correctly.
Oracle 8, DBA Certification Exam Guide, Jason S. Couchman, p. 577-583
Chapter 12: Overview of Backup and Recovery

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