单项选择题
A.hr_tbs is a bigfile tablespace.
B.hr_tbs is a dictionary-managed tablespace.
C.All the tablespaces in the database will be locally managed by default.
D.All the tablespaces in the database must be of the smallfile tablespace type.
E.The tablespace type bigfile or smallfile must be mentioned in the command.
单项选择题 You have been recently hired as a database administrator. Your senior manager asks you to study the production database server and submit a report on the settings done by the previous DB A. While observing the server settings， you find that the following parameter has been set in the parameter file of the database： REMOTE_OS_AUTHENT = TRUE What could have been the reason to set this parameter as TRUE？（）
单项选择题 YouwanttoadministeryourPRODdatabasefromaremotehostmachineusingaWeb-enabledinterface.WhichOracletoolwouldyouusetoaccomplishthistaskefficientlywithoutusingcommand-lineinterfaces？（）
多项选择题 Youareinthemiddleofatransactionandverycrucialdatahasbeenmodified.Becauseofahardwarefailure，theinstancehasshutdownbeforesynchronizingallthedatabasefiles.Whichtwostatementsaretrue？（）
