You work as a database administrator for Certkiller .com. In your development environmentenvironment， the developers are responsible for modifying the table structure according to the application requirements. However， you want to keep track of the ALTER TABLE commands being executed by developers， so you enable auditing to achieve this objective. 
Which two views would you refer to find out the audit information？（）

A.Displays only the list of default values
B.Displays only the list of all basic parameters
C.Displays the currently in effect parameter values
D.Displays only the list of all advanced parameters
E.Displays the list of all the parameter files of a database
F.Displays the current contents of the server parameter file.

A.Host naming
B.Local naming
C.Easy Connect
D.External naming
E.directory naming

A.Execute the ALTER DATABASE ARCHIVELOG statement 
B.Select ARCHIVELOG option in the database control and restart the database to apply the changes. 
C.Shut down and start the instance, and in the NOMOUNT state execute the ALTER DATABASE ARCHIVELOG statement. 
D.Shut down and start the instance, mount the database, then execute the ALTER DATABASE ARCHIVELOG statement.