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A.product-line architecture
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Youwanttosetthefollowinginitializationparametersforyourdatabaseinstance：LOG_ARCHIVE_DEST_1=’LOCATION=/disk1/arch’LOG_ARCHIVE_DEST_2=’LOCATION=/disk2/arch’LOG_ARCHIVE_DEST_3=’LOACTION=/disk3/arch’LOG_ARCHIVE_DEST_4=’LOCATION=/disk4/archMANDATORY’Identifythestatementthatcorrectlydescribesthissetting.（）A.TheMANDATORYlocationmustbeaflashrecoveryarea.B.Theoptionaldestinationsmaynotusetheflashrecoveryarea.C.ThissettingisnotallowedbecausethefirstdestinationisnotsetasMANDATORY.D.Theonlineredologfileisnotallowedtobeoverwrittenifthearchivedlogcannotbecreatedinthefourthdestination.
考题
Whatwillbetheresultofthefollowingconfiguration?()Log_archive_dest_1=location=c:\oracle\arch\mydbLog_archive_dest_2=location=z:\oracle\arch\mydb
A.Anerrorwilloccurduringdatabasestartupbecausethesecondparameterisnotvalid.B.Anerrorwilloccurduringdatabasestartupsinceyouaretryingtocreatearchivedredologsintwodifferentlocations.C.ArchivedredologswillbecreatedintwodifferentlocationsbytheARCHprocess.D.ArchivedredologswillbecreatedintwodifferentlocationsbytheLGWRprocess.E.Neitherparametersettingisvalid，sothedatabasewillnotstartup.
考题
YouhaveconfiguredflashrecoveryareainyourdatabaseandyousetthefollowingInitializationparametersforyourdatabaseinstance：LOG_ARCHIVE_DEST1=，，LOCATION=/disk1/archMANDATORY’LOG_ARCHIEVE_DEST2=，，LOCATION=/disk2/arch’LOG_ARCHIVK_DEST_3=，，LOCATION=/diSk3/archLOG_ARCH1VK_DEST_4=’LOCATION=/disk4/arch’LOG_ARCHIVE_MIN-SUCCEED_DEST=2Whilethedatabaseinstanceisfunctional，yourealizedthatthedestinationsetbytheLOG_ARCHIVE_DEST_IparameterIsnotavailableforthearchivedredologfiletobecreatedin.Allredologgroupshavebeenused.Whathappensinaneventoflogswitch？（）
考题
You want to set the following initialization parameters for your database instance:LOG_ARCHIVE_DEST_1 = ‘LOCATION=/disk1/arch‘LOG_ARCHIVE_DEST_2 = ‘LOCATION=/disk2/arch‘LOG_ARCHIVE_DEST_3 = ‘LOACTION=/disk3/arch‘LOG_ARCHIVE_DEST_4 = ‘LOCATION=/disk4/arch MANDATORY‘Identify the statement that correctly describes this setting.（）A. The MANDATORY location must be a flash recovery area.B. The optional destinations may not use the flash recovery area.C. This setting is not allowed because the first destination is not set as MANDATORY.D. The online redo log file is not allowed to be overwritten if the archived log cannot be created in the fourth destination.
考题
Inyourdatabase，youmaybeforcedtoperformarecoveryusingtheRESETLOGSoptionduringwhichtheredologswouldberesettosequencenumber1.Youwanttoavoidtheoverwritingofoldlogfiles.Whicharchivedlogfilenameformatensuresthis？（）A.%t_%s.dbfB.arch_%t.arcC.arch_%d.arcD.arch_%t_%d.arcE.arch_%d_%s_.dbfF.arch_%t_%s_%r.arc
考题
下列属于基本GARCH模型存在的局限性的是（ ）。A.ARCH/GARCH模型没有在当期的条件异方差与条件均值之间建立联系。
B.ARCH/GARCH模型都无法解释金融资产收益率中的杠杆效应
C.非负线性约束条件在估计ARCH/GARCH模型的参数的时候被违背
D.ARCH/GARCH模型的波动率不随时间的变化，且线性依赖过去的收益
考题
3、GARCH模型是对ARCH模型的扩展。
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