单项选择题 You discover audit log entries that report attempts to log on to your computer. You need to be notified of all logon attempts that occur on your computer. What should you do?（）

单项选择题 You share your computer with two users who belong to the Users group. You need to ensure that all users are informed of new updates. What should you do?（）

单项选择题 You configure parental controls on your computer for your childs user account. Your child logs on with a different account and is able to access inappropriate Web sites. You need to ensure that your child cannot access inapproriate Web sites. What should you do?（）