客户机/服务器系统的特点是客房机和服务器必须运行在不同的计算机上。()
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某律师事务所的合伙人在担任企业法律顾问的期间可以()
Youaredevelopinganapplicationthatrunsbyusingthecredentialsoftheenduser.OnlyuserswhoaremembersoftheAdministratorgroupgetpermissiontoruntheapplication.Youwritethefollowingsecuritycodetoprotectsensitivedatawithintheapplication.boolisAdmin=false;
WindowsBuiltInRolerole=WindowsBuiltInRole.Administrator;......
if(!isAdmin)
thrownewException("Usernotpermitted");
YouneedtoaddacodesegmenttothissecuritycodetoensurethattheapplicationthrowsanexceptionifauserisnotamemberoftheAdministratorgroup.Whichcodesegmentshouldyouuse?()
YoudevelopaserviceapplicationnamedPollingServicethatperiodicallycallslong-runningprocedures.TheseproceduresarecalledfromtheDoWorkmethod.Youusethefollowingserviceapplicationcode:
Whenyouattempttostarttheservice,youreceivethefollowingerrormessage:CouldnotstartthePollingServiceserviceonthelocalcomputer.Error1053:Theservicedidnotrespondtothestartorcontrolrequestinatimelyfashion.Youneedtomodifytheserviceapplicationcodesothattheservicestartsproperly.Whatshouldyoudo?()