【C18】A．variousB．variableC．varietyD．varying

ization parameter is set to 11.1.0. In the ASM instance, the COMPATIBLE.RDBMS attribute for the disk group is set to 10.2 and the COMPATIBLE.ASM attribute is set to 11.1.Which two statements are true in this scenario for the features enabled for ASM? （）

A. The ASM-preferred mirror read feature is enabled.

B. The ASM supports variable sizes for extents of 1, 8, and 64 allocation units.

C. The ASM disk is dropped immediately from a disk group when it becomes unavailable.

D. The RDBMS always reads the primary copy of a mirrored extent of the ASM disk group.

A.Restorethebackupcopyofthetempfilefromthebackupmedia.

B.Re-createthetempfilewiththecreatetempfilecommand.

C.Copyanexistingtempfilefromanotherdatabase.

D.Re-createthetempfilewiththecreatetablespacecommand.

E.Re-createthetempfilewiththealtertablespacecommand.

A.alistofalltheexpiredbackupsandcopies

B.alistofallthosefilesthathavebeendeletedinthelasttwodays

C.alistofallthosefilesthathavebeenrecoveredwithinthelasttwodays

D.alistofbackupsandcopiesthatareoutsidetherangecoveredbythecurrentretentionpolicy

A.Databasedatafiles

B.Onlineredologs

C.Archivedredologs

D.Backupcontrolfile

E.Controlfilefromabackup

A.Change-based

B.Cancel-based

C.Time-based

D.Sequencenumber-based

E.Transactionnumber-based

A.alistoffilesthatrequireabackupwithinthreedays

B.alistoffilesthathavenotbeenbackedupforthreedays

C.alistoffilesthatRMANrecommendsbebackeduponlyonceineverythreedays，basedonlowvolatility

D.alistoffilesforwhichabackuphasalreadybeenperformedandmayneedabackupafterthreedays

Whicharethecorrectsteps，inorder，todealwiththelossofanonlineredologifthedatabasehasnotyetcrashed？（）a.Issueacheckpoint.b.Shutdownthedatabase.c.Issueanalterdatabaseopencommandtoopenthedatabase.d.Startupmountthedatabase.e.Issueanalterdatabaseclearlogfilecommand.f.Recoveralldatabasedatafiles.

A.a，b，c，d

B.b，d，e，c

C.a，b，d，e，c

D.b，f，d，f，c

E.b，d，a，c

A. The COMMIT order in the captured workload is preserved during replay.

B. The value 100 in the THINK_TIME_SCALE parameter attempts to make the replay client shorten the think time between calls.

C. The value 100 in the CONNECT_TIME_SCALE parameter attempts to connect all sessions as captured.

D. The value 100 in the THINK_TIME_SCALE parameter attempts to match the captured user think time while replaying.

E. The value 100 in the CONNECT_TIME_SCALE parameter attempts to connect all sessions immediately as soon as the replay begins.

A.Databasedatafiles

B.Controlfiles

C.Archivedredologs

D.Onlineredologs

E.Flashbacklogs

shasbeenlost.Whatstepswouldyoufollowtorecoverthatcontrolfile？（）

a.Shutdownthedatabase.

b.Restoreacontrol-filecopyfrombackupmedia.

c.Usethecreatecontrolfilecommandtocreateanewcontrolfile.

d.Copythebackupcontrolfileintoplace.

e.Createanewcopyofthecontrolfilefromoneofthesurvivingcontrolfiles.

f.Recoverthedatabaseusingtherecoverdatabaseusingbackupcontrolfilecommand.

g.Startupthedatabase.