WhichtwostatementsaretrueregardingthedatabaseinARCHIVELOGmode？（）
A. Youhavetoshutdownthedatabasetoperformthebackups.
B. Archivinginformationiswrittentothedatafilesandredologfiles.
C. Youcanperformcompletedatabasebackupswithoutclosingthedatabase.
D. OnlineredologfileshavetobemultiplexedbeforeputtingthedatabaseinARCHIVELOGmode.
E. AllthepreviousdatabasebackupsbecomeinvalidafteryouconfigurethedatabasetoARCHIVELOGmode.
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Youneedtorestoresomefilesfromafilesystem.Thefilesystemwasbackedupfromasnapshot.Whichcommandwillcorrectlyrestorethesefiles？（）
A. fssnap-i
B. fssnap-r
C. ufsrestore-i
D. snaprestore-i
近代思想家龚自珍说：“自古至今，法无不改，事无不积，事例无不变迁，风气无不移易。”（）
A. 世界上存在无物质的运动
B. 运动是物质的存在方式和固有属性
C. 物质是运动的内在动力
D. 物质的唯一特性是客观实在性
IntheareaofPerformanceManagementandDiagnostics,whichfeatureissupportedinOracleEnterpriseManager12C？（）
A. Searchinformationinlogsacrossmultipledomains
B. Viewdifferentloginformationinsingleconsolelocation
C. Savecurrentperformancedataasbaselinetobeusedincomparisonwithfuturedata
D. Providessingledashboardacrossmulti-tiercompositeapplication
WhataretheadvantagesofvariableextentsizesupportforlargeASMfiles？（）
A. Itimprovesresyncoperationswhenthediskcomesonlineafterbeingtakenofflineformaintenancepurposes.
B. Itimprovesperformanceintheextendedclusterconfigurationbyreadingfromalocalcopyofanextent.
C. Fewerextentpointersareneededtodescribethefileandlessmemoryisrequiredtomanagetheextentmapsinthesharedpool.
D. Thisfeatureenablesfasterfileopensbecauseofthereductionintheamountofmemorythatisrequiredtostorefileextents.
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