单项选择题

A.lock the listenerB.hide the listenerC.create multiple……

Anyone who knows just the host name and the listener name can have full control over the listener. They can stop the listener and also obtain detailed information about the listener， database， and the configuration of the application. How would you avoid this scenario？（）

A.lock the listener
B.hide the listener
C.create multiple listeners
D.run listener on a remote client
E.set a password for the listener
F.store listener.ora in a non-default location

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热门试题

单项选择题Youareworkingona24x7（available24hoursperday，7daysperweek）productiondatabase.Anoperatingsystem（OS）userdeletesthealertlogfileaccidentally.Whichstatementinthisscenarioistrue？（）

A.The database crashes.
B.The DBA needs to re-create the file.
C.The file gets re-created automatically.
D.The file gets restored automatically from the last backup.
E.The DBA needs to perform a complete database recovery.
F.The DBA needs to perform an incomplete database recovery.

单项选择题Becauseofapoweroutage，instancefailurehasoccurred.Fromwhatpointintheredologdoesrecoverybeginandwheredoesitend？（）

A.current redo log and inactive redo log
B.checkpoint position to end of redo log
C.beginning of redo log to end of redo log
D.all redo logs before the point of last commit
E.beginning of redo log to checkpoint position

单项选择题Itisaholidayandnotransactionsarebeingperformedonthedatabase.YoutookaconsistentbackupofyourdatabasewithoutusingRecoveryManager（RMAN）.HowwouldyoumakeuseofthisconsistentbackupinRMAN？（）

A.cannot be used in RMAN
B.by starting up the database again
C.by using the CATALOG command of RMAN
D.by using the RECOVER CATALOG command in RMAN
E.by re-creating the target control file to rebuild the RMAN repository

单项选择题Oneoftheredologmembersinyourdatabaseislost.YouqueriedV$logfileforfurtherdetails.Whatwouldbethemember’sstatus？（）

A.LOST
B.INVALID
C.EXPIRED
D.DELETED
E.CORRUPT
F.UNKNOWN
G.OBSOLETE

单项选择题WhilesettingupanOracledatabaseforoneofyourcriticalapplications，youwanttoensurethatthedatabaseisbackedupatregularintervalswithoutyourintervention.Whatshouldyoudotoachievetheobjective？（）

A.configure the database to run in ARCHIVELOG mode
B.configure the Flash Recovery Area to enable automatic database backup
C.schedule the database backup using DBMS_JOB package after creating the database
D.schedule the database backup using Recovery Manager （RMAN） commands after creating the database
E.schedule the database backup using Database Configuration Assistant （DBCA） while creating the database