The memory
The CMOS battery
The PCIe power jack
The processor for chip creep
第1题：
A. Multimeter
B. Oscilloscope
C. Cable tester
D. Power supply tester
第2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3题：
A.6V
B.9V
C.12V
D.24V
第4题：
The network administrator has discovered that the power supply has failed on a switch in the company LAN and that the switch has stopped functioning. It has been replaced with a Cisco Catalyst 2950 series switch.What must be done to ensure that this new switch becomes the root bridge on the network?（）
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：
A technician has had several support requests for one PC. The technician has reseated the PCIcards and replaced the hard drive in the PC located in a school cafeteria kitchen. PCs located in the business office or the classrooms have not had this issue.Which of the following is MOST likely causing this PC’s issue?（）
A. Faulty RAM
B. 240 volt Kitchen outlets
C. Power Brownouts
D. Excessive Heat
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？（）