Thearchitecturedesignspecifiestheoverallarchitectureandtheplacementofsoftwareandhardwarethatwillbeused.Architecturedesignisaverycomplexprocessthatisoftenlefttoexperiencedarchitecturedesignersandconsultants.Thefirststepistorefinethe(请作答此空)intomoredetailedrequirementsthatarethenemployedtohelpselectthearchitecturetobeusedandthesoftwarecomponentstobeplacedoneachdevice.Ina(),onealsohastodecidewhethertouseatwo-tier,three-tier,orn-tierarchitecture.Thentherequirementsandthearchitecturedesignareusedtodevelopthehardwareandsoftwarespecification.Therearefourprimarytypesofnonfunctionalrequirementsthatcanbeimportantindesigningthearchitecture.()specifytheoperatingenvironment(s)inwhichthesystemmustperformandhowthosemaychangeovertime.()focusonthenonfunctionalrequirementsissuessuchasresponsetime,capacity,andreliability.()aretheabilitiestoprotecttheinformationsystemfromdisruptionanddataloss,whethercausedbyanintentionalact.Culturalandpoliticalrequirementsarespecifictothecountriesinwhichthesystemwillbeused. A.functionalrequirements 功能需求 B.nonfunctionalrequirements 非功能需求
A.system constraint B.系统约束 C.system operational environment D.系统运行环境正确答案B
