YoucreateasharedInternetconnectiononaWindows2000Professionalcomputer.Yournetworkhas10usersontheLAN.AlloftheuserscanconnecttoHTTPsites，FTPsites，andstreamingaudiocontentontheInternet.OneofthecomputersonyourLANisrunninganFTPhostapplication.UsersontheInternetcannotconnecttotheFTPhostonyournetwork.Whatshouldyoudo？（）
A.ConfiguretheFTPhosttoacceptincomingrequestsonserviceport80.
B.ConfigureanInternetConnectionSharingapplicationtypeforFTPtouseremoteserverport 23.
C.ConfigureanInternetConnectionSharingservicetypeforFTPuseserviceport21onthe FTPhostcomputer.
D.ConfigureanInternetConnectionSharingservicetypeforFTPuseserviceport23onthe FTPhostcomputer.
参考答案：C
