A.1 B.2 C.3 D.任意多
A.Test@contoso B.Contoso.com\Test C.Test@Contoso.com D.Contoso\Test
A.标题栏 B.菜单栏 C.导航栏 D.桌面背景
A.nbtstat-n B.ipconfig/all C.ipconfig/displaydns D.ipconfig/flushdns
A.Ctrl+Tab B.Ctrl+F4 C.Alt+Tab D.Alt+F4
