YouperformasecurityauditofaservernamedCRMYouwanttobuildalistofallDNSrequeststhatareinitiatedbytheserver.YouinstalltheMicrosoftNetworkMonitor3.0applicationonCRMYoucapturealllocaltrafficonCRM1for24hours.Yousavethecapturefileasdata.cap.youfindthatthesizeofthisfileismoretahn1GB.youneedtocreateafilenamedDNSdata.capfromtheexistingcapturefiletahtcontainsonlydNS-relateddataWhatshouldyoudo（）？
A.applythedisplayfilter!DNSandsavethedisplayedframesasDNSdata.capfile
B.ApplythecapturefilterDNSandsavethedisplayedframesasaDNSdata.capfile
C.AddanewalisanamedDNStothealiasestableandsavethefileasDNSdata.cap
D.Runthenmcap.exe\/inputcapturedata.cap\/captureDNS\/fileDNSdata.capcommand.
参考答案：D
