多项选择题 Youarecreatinganapplicationthatprovidesinformationaboutthelocalcomputer.Theapplicationcontainsaformthatlistseachlogicaldrivealongwiththedriveproperties，suchastype，volumelabel，andcapacity.Youneedtowriteaprocedurethatretrievespropertiesofeachlogicaldriveonthelocalcomputer.Whatshouldyoudo？（）

单项选择题 You work as an application developer at Certkiller .com. You would like to create a custom performance counter for an application that you created recently.  To do this， you decide to create a custom category named ApplicationPerformance and a performance counter named HitNumber.You need to ensure that this counter is shared across numerous applications. What should you do？（）

多项选择题 Youaredevelopinganapplicationtocreateanewfileonthelocalfilesystem.Youneedtodefinespecificsecuritysettingsforthefile.Youmustdenythefileinheritanceofanydefaultsecuritysettingsduringcreation.Whatshouldyoudo？（）