单项选择题
A.On Server1， open Windows Update then select Check for updates.
B.On Server1， run Wsusutil.exe and specify the /import parameter.
C.On Computer1， open Windows Update and then select Change settings.
D.On Computer1， run Wuauclt.exe and specify the /detectnow parameter.
单项选择题 You have a computer that runs Windows 7. You configure the computer to automatically install all updates.You need to verify whether a specific update is installed. What should you do?（）
单项选择题 You have a stand-alone computer that runs Windows 7. You open Windows Update as shown in the exhibit.(Click the Exhibit button.) You need to ensure that you can manually change the Windows Update settingson the computer. What should you do?（）
单项选择题 You have a computer that runs Windows 7. You need to record when an incoming connection is allowedthrough Windows firewall. What should you do?（）