You enabled Automatic Shared Memory Management. The initialization parameters are set as shown below：  SGA_TARGET = 10GB SGA_MAX_SIZE = 14GB  STREAMS_POOL_SIZE = 1GB  SHARED_POOL_SIZE = 3GB  Which two statements are correct in this scenario？ （）A、 A total

第1题：

You specify a nonzero value for the MEMORY_TARGET initialization parameter，but do not set the PGA_AGGREGATE_TARGET or the SGA_TARGET parameters. You restart your database instance.  Which statement about the result is true？（）

• A、 The database instance starts，and Oracle sets the default value of SGA_TARGET to the same value as SGA_MAX_SIZE
• B、 The database instance starts，and Oracle automatically tunes memory and allocates 60 percent to the  SGA and 40 percent to the PGA
• C、 The database instance starts，but Automatic Memory Management is disabled
• D、 The database instance will not start because you did not specify the PGA_AGGREGATE_TARGET or SGA_TARGET parameter

第2题：

Automatic Shared Memory Management （ASMM） has been enabled for your database instance.  Theinitialization parameters for the components that are managed by ASMM are not set. After observing theeffects of ASSM， you executed the following command： SQL> ALTER SYSTEM SET DB_CACHE_SIZE = 100M；  Which statement is true in this scenario（）

• A、The minimum memory size for the database buffer cache is set to 100 mb.
• B、The maximum memory size that can be obtained by the database buffer cache during ASMM is set to100 mb
• C、The minimum memory size allocated for a server process in the database buffer cache in dedicatedmode is set to 100 mb.
• D、The maximum memory size from the database buffer cache that can be released for dynamicdistribution during ASMM is set to 100 mb

第3题：

Which two initialization parameters would you set to enable Automatic Shared Memory Management？（）

• A、 set SHARED_POOL_SIZE to zero
• B、 set STATISTICS_LEVEL to BASIC
• C、 set SGA_TARGET to a non-zero value
• D、 set DB_CACHE_SIZE to a non-zero value
• E、 set STATISTICS_LEVEL to TYPICAL or ALL

第4题：

The Automatic Shared Memory Management feature is enabled for the PROD database. Currently， a lot of insert activity is taking place in the database， and the memory structures are allocated according to the database workload. As the workload reduces， you decide to perform batch jobs in the database. Which of the following initialization parameters are NOT automatically resized according to the new workload and continue to remain unchanged？（）

• A、 LOG_BUFFER
• B、 DB_CACHE_SIZE
• C、 JAVA_POOL_SIZE
• D、 LARGE_POOL_SIZE
• E、 SHARED_POOL_SIZE
• F、 STREAMS_POOL_SIZE

第5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.

第6题：

You set the following parameters in the parameter file and restarted the database：MEMORY_MAX_TARGET=0MEMORY_TARGET=500M PGA_AGGREGATE_TARGET=90MSGA_TARGET=270M Which two statements are true about these parameters after the database instance is restarted（）

• A、The MEMORY_MAX_TARGET parameter is automatically set to 500 mb.
• B、The pga_AGGREGATE_TARGET and sga_TARGET parameters are automatically set to zero.
• C、The value of the MEMORY_MAX_TARGET parameter remains zero until it is changed manually.
• D、The lower bounds of pga_AGGREGATE_TARGET and sga_TARGET parameters are set to 90 nb and270 mb， respectively

第7题：

You are configuring the PROD database to use an internal tuning algorithm to monitor the performance of the workload. To achieve this configuration， you specify the following parameter settings in the SPFILE://        SGA_TARGET = 512M        SHARED_POOL_SIZE = 256M   Which two statements are true when modifying the SHARED_POOL_SIZE initialization parameter in the SPFILE？ （）

• A、 Modifying the SHARED_POOL_SIZE initialization parameter cannot be accomplished if the SGA_TARGET initialization parameter is set to a non-zero value.
• B、 Modifying the value of the SHARED_POOL_SIZE initialization parameter to zero is not allowed if the SGA_TARGET initialization parameter is set to a nonzero value.
• C、 Increasing the value of the SHARED_POOL_SIZE initialization parameter does not increase the shared pool component size. It sets the lower limit for the size of this component.
• D、 Decreasing the value of the SHARED_POOL_SIZE initialization parameter does not reduce the size of the shared pool component immediately. It sets the lower limit for the size of this component.
• E、 Increasing the value of the SHARED_POOL_SIZE initialization parameter immediately increases the shared pool  component to the desired size by reallocating the additional memory from the auto-tuned memory components.
• F、 Decreasing the value of the SHARED_POOL_SIZE initialization parameter immediately shrinks the shared pool component to the desired size while reallocating the released memory to the memory components that are not auto-tuned.

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第13题：

Your database is running in the automatic Program Global Area （PGA） memory management and Shared Memory Management mode. You want to increase the memory available for the SQL work areas. What would you do？（）

• A、modify the HASH_AREA_SIZE initialization parameter
• B、modify the PGA_AGGREGATE_TARGET initialization parameter
• C、modify the WORK_AREASIZE_POLICY initialization parameter
• D、increase the value of the SGA_TARGET initialization parameter
• E、increase the value of the SGA_MAX_SIZE initialization parameter
• F、increase the value of the SORT_AREA_SIZE initialization parameter

第14题：

You enabled Automatic Shared Memory Management. The initialization parameters are set as shown below：  SGA_TARGET= 10GB  SGA_MAX_SIZE = 14GB  STREAMS_POOL_SIZE = 1GB SHARED_POOL_SIZE = 3GB  Which two statements are correct in this scenario？ （）

• A、 A maximum of 3 GB can be allocated to shared pool
• B、 The value for SGA_TARGET can be increased up to a maximum of 15 GB
• C、 A total of 14 GB memory will be allocated to the automatically tuned memory components.
• D、 Increasing the value for SGA_TARGET will automatically increase the memory allocated for STREAMS_POOL_SIZE
• E、 Increasing the value for SGA_TARGET to 12 GB will automatically increase the memory allocated to autotuned parameters
• F、 Reducing the value for SGA_TARGET to 9 GB will automatically decrease the memory allocated to shared pool from 3 GB to 2 GB

第15题：

In your running instance， some of the initialization parameters are set as shown below： SGA_MAX_SIZE = 14GB  DB_CACHE_SIZE = 1GB  SHARED_POOL_SIZE = 3GB  STATISTICS_LEVEL = BASIC  PGA_AGGREGATE_TARGET = 0  You plan to enable Automatic Shared Memory Management but you are not able to set SGA_TARGET to a nonzero value. What could be the reason？（）

• A、The STATISTICS_LEVEL initialization parameter is set to BASIC
• B、The PGA_AGGREGATE_TARGET initialization parameter is set to zero.
• C、The SGA_MAX_SIZE initialization parameter is set to less than 20 GB
• D、The DB_CACHE_SIZE initialization parameter is set to less than 5 GB
• E、The SHARED_POOL_SIZE initialization parameter is set to a nonzero value.

第16题：

Automatic Shared Memory Management (ASMM) has been enabled for your database instance. The initialization parameters for the components that are managed by ASMM are not set. After observing the effectsof ASMM, you executed the following command: SQL> ALTER SYSTEM SET DB_CACHE_SIZE = 100M; Which statement is true in this scenario（　）

• A、The minimum memory size for the database buffer cache is set to 100 mb.
• B、The maximum memory size that can be obtained by the database buffer cache during ASMM is set to 100mb
• C、The minimum memory size allocated for a server process in the database buffer cache in dedicated modeis set to 100 mb.
• D、The maximum memory size from the database buffer cache that can be released for dynamic distributionduring ASMM is set to 100 mb

第17题：

Which of the following Oracle features is enabled by setting a nonzero value for the MEMORY_TARGET initialization parameter？（）  

• A、 Automatic PGA Memory Management
• B、 Automatic SGA Memory Management
• C、 Automatic Shared Memory Management
• D、 Automatic Memory Management
• E、 Manual SGA Memory Management
• F、 None of the above

第18题：

Your SPFILE contains the following parameter settings：   SGA_TARGET = 8G   DB_CACHE_SIZE = 4G   SHARED_POOL_SIZE = 2G   LARGE_POOL_SIZE = 512M   JAVA_POOL_SIZE = 512M   LOG_BUFFER = 100M   SGA_MAX_SIZE = 10G   You query the V$SGA_DYNAMIC_COMPONENTS dynamic performance view and discover that the large pool component is currently sized at 1G. You want the value of the SGA_TARGET initialization parameter to 10G， but instead of specifying a value of 10G for the SGA_TARGET initialization parameter， you erroneously execute the following statement：   SQL>ALTER SYSTEM SET SGA_TARGET = 0 SCOPE = BOTH；   What is the result of this statement？（）  

• A、 The database crashes.
• B、 The large pool releases 512M of memory.
• C、 The large pool retains 1G of allocated memory.
• D、 The large pool increases to 1，512M of memory.

第19题：

By setting the value of MEMORY_TARGET to zero and setting the value of SGA_TARGET to a nonzero value， you will enable which of the following memory-management options？（）  

• A、 Automatic PGA Memory Management
• B、 Automatic SGA Memory Management
• C、 Automatic Shared Memory Management
• D、 Automatic Memory Management
• E、 Manual SGA Memory Management
• F、 None of the above

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