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 (C)</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. (A)</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 (C)</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. (A)</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. (B)</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. (D)</p> Signup and view all the answers

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

<p>All of the above (D)</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. (B)</p> Signup and view all the answers

Which statement about the CONNECT role is correct?

<p>All of the above are correct. (D)</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. (D)</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. (C)</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; (D)</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. (B)</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. (D)</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. (B)</p> Signup and view all the answers

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