Oracle DBA 用户管理试题选

 Q. 1 : The default tablespace clause in the create user command sets the location for
　　 　　1. Database Objects created by the user
　　3. System Objects Created by the user
　　
　Q. 2 : What does sessions_per_user in a resource limit set
　　 　　1. No of Concurrent Sessions for the database
　　3. No of Processes Per User
　　
　Q. 3 : What keyword during the create user command, limits the space used by users objects in the database
　　 　　1. Size
　　3. Max_Extents
　　
　　Q. 4 : What value sets the no activity time in minutes before a user is disconnected
　　1. IDLE_TIME 　　2. DISCONNECT_TIME
　　4. NONE OF THE ABOVE
　　Q. 5 : What operations are limited by the Quota on a tablespace
　　 　　1. Update
　　3. Create
　　
Q. 6 : Which of the following statements is incorrect when used with : Alter User James 　　
　　2. indentified by james
　　4. None of the above
　　Q. 7 : What view consists information about the resource usage parameters for each profile
　　 　　1. DBA_PROFILE
　　3. DBA_USERS
　　
　Q. 8 : What 2 values are required to kill a User Session
　　 　　1. SID, Process ID
　　3. Serial #, Process ID
　　
　　
　　2. DBA_ROLE_PRIVS
　　4. None of the above
　　Q. 10 : Where can you obtain the SID and Serial # from
　　 　　1. DBA_PROCESS
　　3. V$SESSION
　　
　Q. 11 : What is the effect of the following command " Alter system kill session '12,123'; 　　
　　2. Kill Session with SID=12 and Serial =123
　　4. None of the above
　　Q. 12 : What parameter in Init.ora enables the resource limits
　　 　　1. RESOURCE=TRUE
　　3. RES_LIMIT=TRUE
　　
Answer:

　　1=>1,
2,
4,
1 : IDLE_TIME (in user profile) limits periods of continious inactive time during a session, expressed in minutes. Oracle Net8 configuration parameter SQLNET.EXPIRE_TIME enables dead connection detection sending probe packets from sever to client in a user defined interval.
3,
1,
2,
2,
2,
3,
2,
2,