题目内容

You are creating an XML Web service named myService. This service has a function named WriteMessage that writes messages to a flat file in the C:MyLogsmyServiceLog directory.You want to implement security for WriteMessage so that WriteMessage and all the code it calls can write messages only to the myServiceLog directory.Which code segment should you use?

2021-12-25

A.Dim filePermission As New FilelOPermission _(FilelOPermissionAccess.Write, "C:XmyServiceLog") filePermission.Demand()

B.Dim filePermission As New FilelOPermission(FilelOPermissionAccess.Write, "C:XmyServiceLog") filePermission.Deny()

C.Dim filePermission As New FilelOPermission _(FilelOPermissionAccess.Write, "C:XmyServiceLog") filePermission.PermitOnly()

D.Dim filePermission As New FilelOPermission __(FilelOPermissionAccess.Write, "C:myServiceLog") filePermission.Assert()

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