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?（）

单项选择题 Which of the following could be disabled to improve performance and response, in Windows Vista,on a computer with an older video card?（）