You are identifying dictionary objects in the Oracle database. Which of the following is a view in the data dictionary?（） 

单项选择题YouareabouttocreateyourOracledatadictionaryforusewiththedatabase.WhichofthefollowinguserswouldyouconnecttothedatabaseasforthispurposeinOracle9iandlaterreleases?（）

A.SYSTEM 
B.OUTLN 
C.INTERNAL 
D.SYS

单项选择题YouareusingtheDatabaseConfigurationAssistanttoconfigureyourOracledatabase.Whichofthefollowingtermspertainstothecreationofanobjectfromwhichcreationoftheotherdatabasecanbebased?（）

A.Clone 
B.Copy 
C.Template 
D.Terminal 

单项选择题YouissuethefollowingcommandinOracle:CREATETABLESPACEDAT_TBSDATAFILE dat_tbs.dbf SIZE2M;.Laterqueriesagainstthedatabaserevealthatthetablespaceislocatedinthe u01 oradata oracledirectory.WhichofthefollowingchoicesidentifieshowOraclelikelydeterminedwhatdirectorytoplacedat_tbs.dbffilein?（）

A.DB_CREATE_FILE_DEST 
B.DB_CREATE_ONLINE_LOG_1 
C.DB_CREATE_ONLINE_LOG_2
D.The directory is an operating system-specific default value in Oracle that can neigher be specified manually nor changed

单项选择题YouaremanagingtheOracledatabase.WhichofthefollowingchoicescorrectlyidentifieswhenOraclereadsthecontentsoftheinit.orafile?（）

A.When the instance is started 
B.When the database is mounted 
C.When the database is opened 
D.When the database is closed

单项选择题AuserissuesaSELECTcommandagainsttheOracledatabase.WhichofthefollowingchoicesdescribesastepthatOraclewillexecuteinsupportofthisstatement?（）

A.Acquire locks on table queried 
B.Generate redo for statement 
C.Fetch data from disk into memory 
D.Write changes to disk