第71题： Inthefollowingdescriptionofthecomputerroomenvironment,theerroris（）．
A．Antistaticfloorcanbeusedinthemachineroom
B．Thedecorationofthemachineroommustbemadeoffireproofmaterials
C．Avoiddirectsunlightontheequipmentandcontrolthetemperatureinthemachineroom
D．Thespacebetweendevicesshouldbeminimizedtoshortenthelengthofsignallinesandavoidsignalattenuation
答案解析与讨论：www.cnitpm.com/st/6754614582.html

第72题： Thepurposeofsoftwaretestingis（）.
A．Findoutasmanydefectsinthesoftwareaspossible
B．Shortensoftwaredevelopmenttime
C．Reducesoftwaremaintenancecosts
D．Provethattheprogramisflawless
答案解析与讨论：www.cnitpm.com/st/6754724559.html

第73题： （）itisnotanapplicationofartificialintelligence.
A．Manualcontrol
B．machinevision
C．facerecognition
D．driverless
答案解析与讨论：www.cnitpm.com/st/6754820715.html

第75题： Foraproject,thecostofeachindependentworkisestimatedfirst,andthenthetotalcostofthewholeprojectissummarizedandestimated.Thisestimationmethodis（）.
A．parametermodeling
B．analogyestimation
C．bottom-upestimation
D．toolcalculation
答案解析与讨论：www.cnitpm.com/st/675504202.html