单项选择题
A. Secure the PCs to the table with cable locks.
B. Install biometrics to track user access and identities.
C. Install real-time system resource monitoring software.
D. Use security screws to prevent the case from being opened.
单项选择题 A user states that all their incoming mail is showing that it is behind three hours. All other users have the correct time. Which of the following should the technician check?（）
单项选择题 Jill, a technician, is tasked with installing BitLocker on all the machines in an office. Which of the following may the users experience?（）
单项选择题 A technician has resolved a paper jam. After the jam is cleared, the display continues to indicate that the printer is jammed. Which of the following should be performed NEXT?（）