Explanation:
To access a user account in the sample schemas you need to set the 07_DICTIONARY_ACCESSIBILITY parameter to TRUE. This enables anyone who had the ANY privilege to use this privilege on the Data Dictionary.
Incorrect Answers:
1: You don’t need to create the user account and unlock the account.
2: You don’t need to create the user account and define a password.
3: You don’t need to unlock the user account and define a password.
Reference:
OCP Oracle9i Database: New Features for Administrators, Daniel Benjamin, p. 8-9
Chapter 1: Security Enhancements
Oracle 9i New Features, Robert Freeman, p. 146-147
Chapter 5: Miscellaneous Oracle9i Features and Enhancements

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