单项选择题 Which of the following can be used to kill a running process?（）

多项选择题 Which of the following should be configured on a wireless router to enhance security? (Select TWO).（）

单项选择题 A user installs a laser jet printer on a Windows XP desktop. The user states that Windows XPgeneric printer drivers were used. When the user prints a document, the pages are printing out with random symbols, letters, and numbers. Which of the following should the technician do?（）