all sessions of the HR user only
all sessions of the HR user and the SYS user
the session of the HR user that executed the commands
all the sessions for which the database users have access privilege to the PERSONS table
第1题：
You are the administrator of a database that contains 64 lookup tables. These tables store static data that should not change. However, users report that some of this data is being changed. You need to prevent users from modifying the data.
You want to minimize changes to your security model and to your database applications. How should you modify the database?
A．Create a filegroup named LOOKUP. Move the lookup tables to this filegroup. Select the read only check box for the filegroup.
B．Create a database role named datamodifier. Grant SELECT permissions to the datamodifier role. Add all users to the role.
C．Deny INSERT, UPDATE, and DELETE permissions for all users. Create stored procedures that modify data in all tables except lookup tables. Require users to modify data through these stored procedures.
D．Create a view of the lookup tables. Use the view to allow users access to the lookup tables.
第2题：
You executed the following command in the lsnrctl utility to stop the listener： lsnrctl> STOP L1 What is the effect of this command if L1 is the only listener configured for your database？（）
第3题：
Your database is open and the LISTENER listener running. You stopped the wrong listener LISTENER byissuing the following command:lsnrctl >STOPWhat happens to the sessions that are presently connected to the database Instance?（）
A. They are able to perform only queries.
B. They are not affected and continue to function normally.
C. They are terminated and the active transactions are rolled back.
D. They are not allowed to perform any operations until the listener LISTENER is started
第4题：
Your database is open and users are connected using the LISTENER listener. The new DBA of the system stops the listener by using the following command： LSNRCTL> STOP What would happen to the sessions that are presently connected to the database instance？（）
第5题：
A system administrator wants to configure a system so that all new users will be put into the database group by default. How would this be accomplished？（）
第6题：
The database users are connecting to the PROD database from different applications， thereby degrading the database performance. The senior database administrator suspects the large number of concurrent connections to be the reason for low performance and asks you to restrict the number concurrent connections per database user to one. Which action would you take to achieve this objective？（）
第7题：
You need to design a configuration for Exchange Server storage that meets the business and technical requirements. What should you do？（）
第8题：
You wish to enable an audit policy for all database users, except SYS, SYSTEM, and SCOTT.You issue the following statements:SQL> AUDIT POLICY ORA_DATABASE_PARAMETER EXCEPT SYS;SQL> AUDIT POLICY ORA_DATABASE_PARAMETER EXCEPT SYSTEM;SQL> AUDIT POLICY ORA_DATABASE_PARAMETER EXCEPT SCOTT;For which database users is the audit policy now active?（）
A. All users except SYS
B. All users except SCOTT
C. All users except sys and SCOTT
D. All users except sys, system, and SCOTT
第9题：
A customer has a database application that is accessed by a large number of people through a web interface from multiple remote locations. Which of the following questions will provide the information necessary to design the best performing storage solution？（）
第10题：
All the database users are presently connected to the database instance and working. The HR user hasopened three database sessions and executed the following command in one of his sessions：SQL> UPDATE persons SET ccode=’U031’ WHERE ccode=’U029’； 123 rows updated.SQL> DELETE FROM persons WHERE exp=’Y’；3 rows deleted. The SYS user opens a new session after HR executed the above commands. Which sessions can see theeffect of the UPDATE and DELETE commands（）