Youencryptyourfilestoensurethesecurityofthefiles.Youwanttomakeabackupcopyofthefilesandmaintaintheirsecuritysettings.Youhavetheoptionofbackinguptoeitherthenetworkorfloppydisk.Whatshouldyoudo？（）

A．Creatingtheparsetreeofthestatement B．Writingthemodifieddatablockstothedatafiles C．Writingthemodifieddatatothearchivedredologfiles D．Updatingthecontrolfiletoindicatethemostrecentcheckpoint E．Updatingthedatafileheadertoindicatethemostrecentcheckpoint F．Readingtheblockstodatabasebuffercacheiftheyarenotalreadythere

A.AddredundantFibreHBAstoeachserveranddirectattachthemtoaDS4300TurboSANsolution B.AddiSCSIcardstotheserversanddirectattachthemtoaDS300dualcontrollermodel C.UseclusteredNASsolutionwithredundantgigabitnetworkconnections D.AddredundantFibreHBAstoeachserverandattachthemtoaDS400dualcontrollermodel

Youconfiguretheharddiskoneachcomputertohavetwo4-GBpartitions.WindowsNT WorkstationisinstalledondriverC. Windows2000ProfessionalisinstalledondriveD. InWindows2000Professional,youconfigureadiskquotaondriveDtopreventusersfromsavingworkfilesonthedisk.YourestartthecomputersandloadWindowsNTWorkstation.YounoticethatuserscanstillsavefilestodriveD. YouwanttpreventusersfromsavingfilestodriveDineitheroperatingsystem.Youalsowanttoensurethatuserscanaccessbothdriveswhileusingeitheroperatingsystem. Whatshouldyoudooneachcomputer？（）

A.中国农村发展信托投资公司 B.广东国际信托投资公司 C.中国国际信托投资公司 D.中国新技术创业投资公司

A．Createaviewonthetable. B．Createanindexonthetable. C．Createasynonymonthetable. D．Addavirtualcolumntothetable. E．UpdatethetableusingtheUPDATEstatement. F．DeleterowsinthetableusingtheDELETEcommand.