单项选择题
A. Reschedule the antivirus scan to run after close of business.
B. Add an additional NIC with a connection to the network.
C. Adjust program filters on the workstations firewall.
D. Replace the processor with a known good processor.
单项选择题 Which of the following is the BEST way for Karen, a technician, to mitigate phishing attempts?（）
单项选择题 A technician is trying to retrieve a screw that fell inside a case and is just out of reach. Which of the following is the BEST procedure to retrieve the screw?（）
单项选择题 A technician is troubleshooting a laptop LCD, and when the cover is opened nothing shows on the screen. Then all of a sudden the screen comes on and works fine. Which of the following should the technician check FIRST?（）