You manage 200 desktop computers at your school’s main computer lab.
A critical update was released.
You need to determine if the update was installed on one of the computers in the lab.
What should you do?

A.
View the Event Viewer Security log

B.
Check System Status in Control Panel

C.
View Windows update history

D.
Go to the System Action Center

Explanation:
Follow these steps to see which Windows updates are installed on your computer.
1. Open Windows Update by clicking the Start button Picture of the Start button. In the search box,
type Update, and then, in the list of results, click Windows Update.
2. In the left pane, click View update history.
Reference: See which Windows updates are installed
http://windows.microsoft.com/en-us/windows/which-windows-updates-installed#1TC=windows-7