YouaretheadministratorofCompany‘snetwork.YouwishtoconnectyourWindows2000ProfessionalcomputertoanewTCP\/IPbasedPlugandPlaycompliantprintdevice.TheprintdeviceisincludedonthecurrentHardwareCompatibilityList(HCL)WhenyouattempttocreateanewTCP\/IPprinterport,youreceivethefollowingmessage:SpecifiedPortcannotbeadded.Theportalreadyexists.YouwanttocreateanewTCP\/IPprinterport.Whatshouldyoudo?（）
A.ChangetheLPTportsettingtoenablelegacyPlugandPlaydetectiononyourcomputer.
B.Deletetheexistingprinterport.
C.ChangetheLPTportsettingtobidirectionalintheBIOSonyourcomputer.
D.ObtainandinstalltheWDM-compliantdevicedriversandprintingsoftwarefortheprinter.
参考答案：B
