When a check point occurs the （）. （）. and （） are synchronized.

单项选择题WhichstatementistrueregardingOracleSharedServerarchitecture？（）

A.A dispatcher can support multiple client connects concurrently while a shared server process can be dedicated to only one dispatcher. 
B.Under the Oracle Shared Server architecture, client-user processes connect to shared user processes.
C.Each dispatcher has its own request queue, which is monitored every three seconds by the dispatcher. 
D.Oracle Shared Server required Oracle Net Service even if the client and shared server processes reside on the same machine.

单项选择题Withdynamicserviceregistration，whichprocessregistersinstanceinformationwiththelistener？（）

A.SMON
B.PMON
C.shared server
D.dedicated server

多项选择题WhichtwofeaturesofRMANwouldmustlikelyinfluenceyourdecisiontoincorporateRMANintoyourbackupandrecoverstrategy，ifyourmostimportantrequirementistoreducethetimeofrecovery？（）

A.RMAN’s powerful command language.
B.RMAN backups can be parallelized.
C.RMAN allows for incremental block-level backups.
D.RMAN backup， restore， and recovery scripts can be stored.

单项选择题Assume your situation can be described as follows： x A full backup taken using RMAN is available on disk.  x The current control files were NOT damaged and do not need to be restored.  x All data files are damaged or lost.  x The database is in NOARCHIVELOG mode.  Which RMAN command would be most appropriate to use in line 3 of the following RMAN command set to restore and fully recover your database？（） 1. RMAN> STARTUP MOUNT  2. RMAN> RESTORE DATABASE;  3. RMAN> （）  4. RMAN> ALTER DATABASE OPEN;

A.RECOVER DATABASE；
B.SWITCH DATAFILE ALL；
C.RESTORE CONTROL FILE；
D.RECOVER DATABASE USING BACKUP CONTROL FILE；

单项选择题YouwanttocreateanRMANrecoverycatalogintheRC01databasetohelpyoumanagethedatabasesnamedDB01andDB02.Youneedtocreatearecoverycatalogownerinwhichofyourdatabases？（）

A.RCO1 only.
B.DB01 only.
C.DB02 only.
D.DB01 and DB02 only.
E.DB01，DB02，and RC01.