单项选择题

A.The User Global Area （UGA） is not configured.B.The se……

SORT_AREA SIZE and HASH_AREA_SIZE parameters are ignored in some of the user sessions. What could be the reason？（）

A.The User Global Area （UGA） is not configured.
B.The sessions were started using the login name SYS.
C.The sessions are running in the Automatic Shared Memory Management mode.
D.The sessions are running in the automatic Program Global Area （PGA） memory management mode.

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单项选择题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

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.

单项选择题Yourdatabaseisusingsharedserverconfiguration.WhichoptionalmemorystructurewouldyouconfiguretostoretheUserGlobalArea（UGA）informationandimprovethesharedpoolperformance？（）

A.large pool
B.streams pool
C.keep buffer cache
D.recycle buffer cache

单项选择题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.

单项选择题InyourproductiondatabaseyouwanttouseanAutomaticStorageManagement（ASM）instancetomanagethedatabasefiles.Whichoptionwouldyouusetomigratethedatabasefilesfromanon-ASMinstancetoanASMinstance？（）

A.Oracle Migration Assistant
B.Recovery Manager （RMAN）
C.Oracle Data Pump Export and Import
D.conventional Oracle Export and Import
E.operating system utilities to copy the files to the ASM instance