You are administering a database and you receive a requirement to apply the following restrictions:<br /> 1. A connection must be terminated after four unsuccessful login attempts by user.<br /> 2. A user should not be able to create more than four simultaneous sessions.<br /> 3. User session must be terminated after 15 minutes of inactivity.<br /> 4. Users must be prompted to change their passwords every 15 days.<br /> How would you accomplish these requirements?（）

A、by granting a secure application role to the users

B、by creating and assigning a profile to the users and setting the REMOTE_OS_AUTHENT parameter to false

C、By creating and assigning a profile to the users and setting the SEC_MAX_FAILED_LOGIN_ATTEMPTS parameter to 4

D、By Implementing Fine-Grained Auditing (FGA) and setting the REMOTE_LOGIN_PASSWORD_FILE parameter to none.

E、By implementing the database resource Manager plan and setting the SEC_MAX_FAILED_LOGIN_ATTEMPTS parameters to 4.