单项选择题
A. Pressure B. Heat C. Brown out D. Cold
Which of the following is MOST likely a managed, Layer ...
单项选择题Which of the following is MOST likely a managed, Layer 3 device?（）
A.Router B.Bridge C.Hub D.Switch
A user is experiencing headaches and motion sickness sy...
单项选择题A user is experiencing headaches and motion sickness symptoms when using their new computermonitor. Which of the following can a technician adjust to help the user?（）
A. Privacy filter B. Refresh rate C. Use a digital signal D. Brightness
A technician is installing a new power supply into a co...
单项选择题A technician is installing a new power supply into a computer. One of the power supply connectors that the technician needs to connect to the motherboard is square and contains 4-pins. This connector is known as which of the following?（）
A.SATA B.FDD C.IDE D.ATX
