单项选择题 A technician has a laptop in for repair with a consistent video corruption issue. The issue is seen on the local display and on an external monitor. The issue happens on the BIOS setup screen as well as within Windows. Which of the following laptop components is MOST likely failing?（）

单项选择题 A technician is sent out to a client’s office to solve an issue involving a machine which has numerous Windows XP service failures upon startup. Which of the following would be the FIRST place to check for information on this?（）

单项选择题 A Windows XP system has been badly infected with malware. The technician notices that the malware is making repeated attempts to broadcast over the network from activity seen on the local firewall. Which of the following Windows XP startup options would be the SAFEST way to remove the malware?（）