单项选择题
A. The drive jumper settings are incorrect.
B. The drive is not receiving power from PSU.
C. Windows only supports one optical drive.
D. The user connected the drive with a SATA cable.
单项选择题 A PC administrator is trying to implement BitLocker full disk encryption but the PC reports that asecurity module is not found. Which of the following should the administrator do to correct this?（）
单项选择题 A technician notices that the WAP keeps getting a different IP address after it is restarted. Whichof the following is the FIRST step to take to ensure the IP address assigned does not change?（）
单项选择题 A user is unable to view any DVDs on their laptop which has a DVD-ROM drive installed. After further investigation, the technician realizes that there is not any DVD-ROM or CD-ROM available under the My Computer utility. Which of the following system utilities would MOST likely be used to identify and resolve this issue?（）