单项选择题
A. Pull the hard drive and install it in a spare laptop of the same make and model.
B. Replace the motherboard on the laptop.
C. Build the executive a temporary laptop and attempt to repair the damaged one.
D. Replace the backlight on the laptop.
单项选择题 A user is reporting that their computer is making strange noises and randomly powers off. Which of the following tools would MOST likely be used to troubleshoot this problem?（）
单项选择题 Which of the following could cause an NTLDR error on reboot?（）
单项选择题 The user cannot access some Internet websites, but can connect to resources inside the local network. The technician successfully uses the ping command to test the user’s connectivity. Which of the following commands can the technician run NEXT to troubleshoot the issue?（）