6V
9V
12V
24V
第1题：
A. Multimeter
B. Oscilloscope
C. Cable tester
D. Power supply tester
第2题：
Which of the following should the technician do FIRST when replacing a motherboard?（）
第3题：
A.6V
B.9V
C.12V
D.24V
第4题：
A customer states their computer was fine until yesterday when they heard a pop noise and thecomputer stopped working. Which of the following components should the technician test FIRST?（）
第5题：
A technician receives a computer for repair and observes that the fan on the power supply is not moving. Which of the following should the technician do？ （）
第6题：
If a technician suspects that the voltage being delivered to a desktop computer’s power supply is insufficient or incorrect, which device should be used to determine the correct voltage?（）
第7题：
A technician does not have power to a PC. Which of the following tools should the technician use to check for electricity?（）
第8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
第9题：
A technician is testing a power supply for correct output voltages at the HDD power connector. Which of the following voltages should the technician expect for a correctly working power supply?（）
第10题：
A technician is building a Windows 2008 server and has installed a motherboard， processor， and power supply. Which of the following optical drives should the technician install？（）