Benefits of Using Roles for Privilege Management
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Questions and Answers

What is a characteristic of roles in Oracle databases?

  • Roles must be owned by a specific user.
  • Roles can consist of only system privileges.
  • Roles can require a password for activation. (correct)
  • Roles can be assigned at the schema level.

    • In Oracle Database 10g, which role grants most system privileges?

  • CONNECT
  • SELECT_CATALOG_ROLE
  • DBA (correct)
  • RESOURCE

    • What is the significance of the CONNECT role in Oracle databases?

  • It is owned by the schema owner.
  • It grants all object privileges.
  • It requires a password for activation.
  • It is automatically granted to users created with Enterprise Manager. (correct)

    • Which role in Oracle allows the creation of jobs and management of the scheduler?

    <p>SCHEDULER_ADMIN</p> Signup and view all the answers

    Can roles in Oracle databases be revoked from users?

    <p>Yes, roles can be revoked like system privileges.</p> Signup and view all the answers

    Which role in Oracle is not associated with system privileges but has over 1,700 object privileges on the data dictionary?

    <p>SELECT_CATALOG_ROLE</p> Signup and view all the answers

    Which statement about profiles is correct?

    <p>Profiles control resource consumption and manage account status and password expiration for users.</p> Signup and view all the answers

    How can you assign a quota to a user?

    <p>By modifying the user's profile using the ALTER PROFILE command.</p> Signup and view all the answers

    Which statement about user authentication is true?

    <p>User authentication is a process separate from roles and profiles.</p> Signup and view all the answers

    Which of the following password security measures can be controlled through profiles?

    <p>All of the above</p> Signup and view all the answers

    What is the relationship between privilege roles and profiles?

    <p>Privilege roles grant privileges, while profiles manage resource limits and password security.</p> Signup and view all the answers

    Which statement about the CONNECT role is correct?

    <p>All of the above are correct.</p> Signup and view all the answers

    Which statement accurately describes the purpose of roles in Oracle Database?

    <p>Roles simplify privilege management by allowing the grouping of related privileges.</p> Signup and view all the answers

    If the privileges associated with a role are modified, what happens to the users who have been granted that role?

    <p>The users acquire the modified privileges automatically and immediately.</p> Signup and view all the answers

    Which SQL statement is used to grant a role to a user?

    <p>GRANT role_name TO user_name;</p> Signup and view all the answers

    What is the purpose of the ALTER PROFILE command in Oracle Database?

    <p>To modify the resource limits and password parameters for a user profile.</p> Signup and view all the answers

    Which statement accurately describes password security best practices in Oracle Database?

    <p>Passwords should be complex, changed frequently, and never reused.</p> Signup and view all the answers

    How can roles be temporarily disabled or enabled in Oracle Database?

    <p>By using the ALTER ROLE statement to enable or disable the role.</p> Signup and view all the answers

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