AnadministratorhasjustinstalledawebserverforthecompanysInternetsite.Afterbringingthe systemonline，customersnotifytheadministratorthattheycannotconnecttotheserver.The administratorteststhewebserverfromaworkstationandcanaccessthewebsite.Thecustomers continuetoreportissues.WhichofthefollowingistheMOSTlikelyreasonforthis？（）
A.Theserversfirewallismisconfigured.
B.Theserver’stimeoutfeatureissetincorrectly.
C.Thewebserverwasnotinstalledproperly.
D.Thecompanyfirewallismisconfigured.
参考答案：D
