The multithreaded agent architecture for heterogeneous services is similar to the Oracle multithreaded server architecture. The principal difference is that it used threads instead of processes. 
What are thee kinds of threads that it uses？（）

单项选择题Your database is running in NOARCHIVELOG mode. Every night there is a backup taken using RMAN. During your startup this morning you received en error regarding DISK 3 on your server. This is the location of your data file for the SYSTEM tablespace. Which option is open to you？（）

A.A
B.B
C.C
D.D

多项选择题ForwhichtwotaskswoulditbebestNOTtousetheutilitySQL*Loader？（）

A.When loading selected rows into each table.
B.When loading data from an export dump file.
C.When loading data from disk， tape， or named pipes.
D.When your data is NOT being inserted from a flat file.
E.When using a record management system to access data files.

单项选择题A user is running a long update batch file. Many tables are updated and all the  statements are in one transaction. Before the process is finished， the user machine lost power. When the user calls you， what should you do as DBA？（）

A.A
B.B
C.C
D.D

多项选择题In a dedicated sever configuration， which two statements describe the actions that can be taken to complete a client server connection when the client and server are NOT on the same computer？（）

A.A
B.B
C.C
D.D
E.E

多项选择题WhichthreeinitializationparametersarenolongerneededwhenFAST_START_MTTR_TARGETisdefined？（）

A.TARGET_REDO_BLKS
B.FAST_START_IO_TARGET
C.LOG_CHECKPOINT_TIMEOUT
D.RECOVERY_ESTIMATED_IOS
E.LOG_FILE_SIZE_REDO_BLKS
F.LOG_CHECKPOINT_INTERVAL