AcustomerissharinganIBMSystemStorageDS8300forbothIBMSystemzandSystemapplications.Theyneedtoprovidedatarecoverycapabilitybetweentheprimaryandtheremotedatacenter,whichis60kilometersaway.Whichcopyservicekeepsalldatasynchronizedattheremotedatacenter?()A.ConcurrentCopyB.FlashCopyC.MetroMirrorD.GlobalMirror
AcustomerissharinganIBMSystemStorageDS8300forbothIBMSystemzandSystemapplications.Theyneedtoprovidedatarecoverycapabilitybetweentheprimaryandtheremotedatacenter,whichis60kilometersaway.Whichcopyservicekeepsalldatasynchronizedattheremotedatacenter?()
A.ConcurrentCopy
B.FlashCopy
C.MetroMirror
D.GlobalMirror
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ToreferenceexistingASMfiles,youneedtouseafullyqualifiedASMfilename.YourdevelopmentdatabasehasadiskgroupnamedDG2A,thedatabasenameisDEV19,andtheASMfilethatyouwanttoreferenceisadatafilefortheUSERS02tablespace.WhichofthefollowingisavalidASMfilenameforthisASMfile?()A.dev19/+DG2A/datafile/users02.701.2B.+DG2A/dev19/datafile/users02.701.2C.+DG2A/dev19/users02/datafile.701.2D.+DG2A·701.2E.+DG2A/datafile/dev19.users.02.701.2
HLM£S73型双滑块卡瓦打捞矛打捞内径φ为()mm。 A、90~102.5B、77.6~92.1C、52.6~64D、64.1~77.9