The following are the details of your database：Instance……

单项选择题You find today’s performance of your production database to be the best ever.  Therefore， you want to be notified in the future whenever the performance degrades by 10% of today’s performance. What is the first step that you would take to ensure this？（）

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

多项选择题Yourapplicationdemandsfrequentconnectionanddisconnectionfromthedatabase.YouhavethreelistenerprocessesthatarelisteningforthedatabasePROD.WhilesettinguptheconnectstringusingOracleEnterpriseManager10gDatabaseControl，whichtwooptionswouldyouselecttobalancetheconnectionloadacrossallthelistenerprocesses？（）

A.Use only the first address.
B.Try one address，selected at random.
C.Try each address，in order，until one succeeds.
D.Try each address，randomly，until one succeeds.

单项选择题Redologfilesaremultiplexedinyourdatabase.Thediskinwhichyouhaveoneoftheredologmembersishighlyfragmented.Intheprocessofdefragmentationyoulosetheredologmember，whichisnotamemberofthecurrentgroup.Howwouldyourecoverfromthelossoftheredologmember？（）

A.SMON would automatically restore the lost file.
B.You would need to restore the whole database from the last backup.
C.You would need to restore the file from the last full database backup.
D.You would need to use flashback technology to restore the lost redo log member.
E.You would need to use Recovery Manager （RMAN） to restore the lost redo log member.
F.You would need to restore the missing log file by copying one of the remaining files from the same group.

多项选择题You decided to increase the value for the SHARED_SERVERS parameter by using the following command：  SQL> ALTER SYSTEM SET SHARED_|SERVERS=3 SCOPE=？；  Which three values can be specified for the SCOPE clause？（）

A.ALL
B.PFILE
C.BOTH
D.NONE
E.SPFILE
F.MEMORY
G.INSTANCE
H.DATABASE

单项选择题Youhavethreedatabases，FINDB，PAYDBandADMINDB，locatedinSydney，TokyoandSingaporerespectively.Youwanttoperformadministrativetaskswhichincludestartingupandshuttingdownthedatabases，creatingandmanagingtablespacesanddatabaseusers，andtakingregularbackups，forallofthethreedatabasesfromLondon.Whichcomponentmustbeenabledandrunningoneachhostmachinetoachieveyourobjective？（）

A.Oracle Management Agent
B.Enterprise Manager with Grid Control
C.Enterprise Manager with Database Control
D.Operating System Socket for incoming requests
E.Real Application Cluster （RAC） with three instances
F.Enterprise Manager with Generic Database Management