1z0-043多项选择题每日一练(2019.03.21)

多项选择题
In your database， all the tablespaces are locally managed. You started Recovery Manager （RMAN） using recovery catalog and restored the control file by using the following command： RMAN> RESTORE CONTROLFILE； Which two operations do you need to perform after restoring the control file from backup？（）
A. shut down and restart the instance
B. add new tempfiles to the temporary tablespaces after recovery
C. perform a media recovery and open the database with the RESETLOGS option
D. perform a media recovery and bring the database to NOARCHIVELOG mode
多项选择题
The loss of which two types of files may require a recovery with the RESETLOGS option？（）
A. control files
B. password file
C. archived log files
D. system-critical data files for which all the redo entries are present
E. non-system-critical data files for which all the redo entries are present
多项选择题
You set the undo pool resource plan directive for the consumer group named DSS_USERS that is assigned to the DAY_SHIFT plan. The database users， SCOTT and BLAKE， belong to the DSS_USERS resource group. The user， SCOTT， initiates a database session and executes a batch operation that inserts millions of rows into the HISTORY table. Which two options are true if the total undo space allocated to the DSS_USERS group exceeds the value specified in the undo pool resource plan directive？（）
A. The batch operation started by the user， SCOTT， terminates with an error.
B. The batch operation started by the user， SCOTT， hangs and you are required to increase the undo pool resource plan directive.
C. The batch operation started by the user， SCOTT， runs uninterrupted because the database uses the SYSTEM tablespace for the undo operation.
D. The user， BLAKE， cannot start a transaction that uses any DML operations until you increase the value of the undo pool resource plan directive.
E. The user BLAKE can start a transaction that uses any DML operations after the batch operation started by the user， SCOTT， terminates with an error.
多项选择题
You are working in a dedicated server environment. Your database is running in the automatic Program Global Area （PGA） memory management mode. Which two statements are correct in this scenario？（）
A.The WORK_AREASIZE_POLICY initialization parameter cannot be set to AUTO.
B.The Oracle database automatically controls the amount of PGA memory allotted to SQL work areas.
C.Setting the value of the SGA_TARGET initialization parameter to 0 will disable the automatic PGA memory management.
D.The SORT_AREA_SIZE parameter is ignored by all the sessions running in the automatic PGA memory management mode.
多项选择题
You have created a resource plan， PROD_DB_PLAN， with the following consumer groups with the respective plan directives： Consumer group SALES with CPU_P1 as 60 and DEGREE_OF_PARALLELISM as 4.Consumer group MARKET with CPU_P1 as 20. Consumer group DEV with CPU_P1 as 20. Consumer group OTHERS with CPU_P1 as 0 and CPU_P2 as 100. Which two statements are correct in this scenario？（）
A.The maximum degree of parallelism for the members of the consumer groups is 4.
B.The CPU allocation will always be equal for the consumer groups MARKET and DEV.
C.The OTHERS consumer group would get 100% of the CPU if there are unused level 1 CPU resources.
D.The SALES and MARKET consumer groups would get 100% of the CPU if there are unused level 2 CPU resources.
E.The maximum degree of parallelism for the members of the consumer group SALES is 4 with no restriction for the remaining groups.