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  OracleDBA创建数据库考题选
发布时间:2010/11/26 17:33:03 来源:www.xue.net 编辑:城市总裁吧

  注:答案在选项后面

  q.1:thissymbol,whenyouputinfrontofalineintheparameterfile,signifiesacomment

  1.$

  2.@

  3.#

  4.!

  3

  q.2:whenyouchangeaparametervalueintheparameterfile,whenwillthatchangetakesaffect?

  1.immediatelyaftersavingtheparameterfile

  2.atthefirstcheckpointaftersavingtheparamterfile

  3.whenthedbwrfinisheswritingallthedirtybufferstothedisk

  4.atthenextinstancestartup

  4

  q.3:altersystemdefferedcommandmodifiestheglobalparametersfor

  1.existingsessionsafteracertainamountoftime

  2.newsessionsonly

  3.existingandnewsessions

  4.dependsonthespin_countinitializationparameter

  2

  q.4:thelocationwheredebuggingtracefilesforbackgroundprocessesarewritten,isspecifiedby

  1.logfile_dest

  2.oracle_home

  3.background_dump_dest

  4.core_dump_dest

  3

  q.5:incaseofheavycontentionforlatches,setthelog_simultaneous_copiesinitializationparameterto

  1.twicethenumberofcpus

  2.sameasthedbblockbuffers

  3.sameasthesharedpoolsize

  4.noneoftheabove

  4

  q.6:whatisthefirststepinmanuallycreatinganewdatabase

  1.startupaninstance

  2.startsql*plusandconnecttooracleassysdba

  3.checktheinstanceidentifierforyoursystem

  4.createaparameterfile

  4

  q.7:whichofthefollowingistrueregardingcontrolfiles

  1.oraclerecommedsatleasttwocontrolfilesstoredontwoseparatedisks

  2.oraclerecommedsatleasttwocontrolfilesstoredononedisk

  3.oraclerecommedstostoreonecontrolfile

  4.onecontrolfileisnotenoughtorunadatabase

  1

  q.8:tomcreatedadatabasewithadb_block_sizeof2k,hewantstoincreasethisto4k,whatishisnextstep

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