单项选择题
A. Performance Log and Alerts
B. Event Viewer
C. Security Configuration and Analysis
D. IP Security Monitor
单项选择题 Which of the following cables can be used to directly connect a laptop to a PC for ICS?（）
单项选择题 Which of the following safety procedures is the BEST when lifting heavy equipment onto a repairbench?（）
单项选择题 A laser printer has an error tray two paper jam but tray two does not have any paper in it. Which of the following should the technician do FIRST? （）