单项选择题
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？（）
多项选择题 WhichtwofeaturesofRMANwouldmustlikelyinfluenceyourdecisiontoincorporateRMANintoyourbackupandrecoverstrategy，ifyourmostimportantrequirementistoreducethetimeofrecovery？（）
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;