多项选择题 Your wireless network is not listed in the Connect to a network window of your computer. You need to connect to your wireless network. Which two actions should you perform?（）

单项选择题 You need to use the Event Viewer window to review the event logs for only critical and error events. You also need the maximum amount of detail for each of these events. What should you do?（）

单项选择题 After you install a new updsate, an application on the computer fails to run. You need to remove the update. What should you do?（）