When a country runs a foreign trade deficit under a flexible foreign exchange rate system,

n database and rolling them forward as regular intervals. You attempt to restart your database instance after a regular maintenance task, you realize that one of the data files that belongs to the USERS tablespace is damaged and you need to recover the datafile by using the image copy. You could perform the following steps to accomplish this:1) Mount the database2) Take the data file offline3) Bring the data file online4) Use the RMAN SWITCH TO command to switch the image copy5) Apply the archived redo logs6) Open the database7) Use the RMAN RESTORE TO command to switch to the image copyWhich two options illustrate the correct sequence of steps that you could follow?（） (Choose two.)

A. 2, 6, 4, 5, 3

B. 1, 2, 4, 5, 3, 6

C. 1, 2, 4, 6, 3

D. 1, 2, 7, 5, 3, 6

a crash, notice the following error: [ERROR] Plugin ‘audit_log’ init function returned error.In the audit log file, you notice the final entry:…What action should you take to fix the error and allow the service to start?（）

A.Re-install the audit plugin

B.Execute the command FLUSH LOGS

C.Execute the command SET GLOBAL audit_log_fiush= ON

D.Move or rename the existing audit.log file

A.Youcanusetheoperatingsystemutilitytomigratefromnon-ASMdiskstoragetoASMdiskstorage.

B.Youcannotperformadatabasebackupfromnon-ASMdiskstoragetotapeandthenmoveittoASMdiskstorage.

C.YoucanusetheSWITCHDATABASETOCOPYRecoveryManager（RMAN）commandtoswitchbacktonon-ASMdiskstorageifyouhavenotdeletedyouroriginaldatafiles.

D.YoucannotuseRecoveryManager（RMAN）tomigratefromnon-ASMdiskstoragetoASMdiskstorageifyouarenotusingRMANforyourbackupandrecoverystrategies.

A.OPEN

B.MOUNT

C.NORMAL

D.NOMOUNT

A.TheLIKEoperatorcannotbeusedwithsingle-rowsubqueries

B.TheNOTINoperatorisequivalenttoISNULLwithsingle-rowsubqueries

C.=ANYand=ALLoperatorshavethesamefunctionalityinmultiple-rowsubqueries

D.TheNOToperatorcanbeusedwithIN,ANY,andALLoperatorsinmultiple-rowsubqueries

A.addinganewusertothedatabase

B.droppingauserfromthedatabase

C.droppingatablefromthedatabase

D.droppingadatafilefromatablespace

E.addinganewtablespacetothedatabase

A. A list of files that require a backup within 3 days

B. A list of files requiring more than 3 days of archivelogs to apply

C. A list of files that RMAN recommends be backed up only once in every three days, based on low volatility

D. A list of files for which a backup as already been performed in the last three days and which is required to be backed up again based on the high number of transactions performed on them

A.OnlyoneLONGcolumncanbeusedpertable

B.ATIMESTAMPdatatypecolumnstoresonlytimevalueswithfractionalseconds

C.TheBLOBdatatypecolumnisusedtostorebinarydatainanoperatingsystemfile

D.TheminimumcolumnwidththatcanbespecifiedforaVARCHAR2datatypecolumnisone

E.ThevalueforaCHARdatatypecolumnisblank-paddedtothemaximumdefinedcolumnwidth

ethedatabasefromnon-ASMtoASMstorage.Whichtypeofbackupcommandscriptwillyouuseformigratingthedatabasefromnon-ASMtoASMstorage？（）

A.BACKUPASBACKUPSET

B.BACKUPASCOPY

C.BACKUPASCOMPRESSEDBACKUPSET

D.BACKUPINCREMENTALLEVELnCUMULATIVE

Inyourdatabase，theLDAP_DIRECTORY_SYSAUTHinitializationparameterhasbeensettoYESandtheuserswhoneedtoaccessthedatabaseasDBAshavebeengrantedSYSDBAenterpriseroleinOracleInternetDirectory（OID）.SSLandthepasswordfilehavebeenconfigured.AuserSCOTTwiththeSYSDBAprivilegetriestoconnecttothedatabaseinstancefromaremotemachineusingthecommand：$SQLPLUSscott/tiger@DB01ASSYSDBAwhereDB01isthenetservicename.Whichauthenticationmethodwouldbeusedfirst？（）

A.authenticationbypasswordfile

B.authenticationbyusingcertificatesoverSSL

C.authenticationbyusingtheOracleInternetDirectory

D.authenticationbyusingthelocalOSofthedatabaseserver