单项选择题
A. Press the appropriate function + monitor key.
B. Adjust the BIOS settings for external display.
C. Replace the video card on the laptop.
D. Update video drivers for the video card.
单项选择题 Which of the following network cable types is MOST often used in environments where physicalsecurity of the data is the top priority?（）
单项选择题 Which of the following is correct about differences in CAT5 and CAT6 connectors?（）
单项选择题 Which of the following would a technician MOST likely consider to avoid electrical shock with adecommissioned CRT?（）