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單項(xiàng)選擇題

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?（）

A. A power supply tester
B. A multimeter
C. A loopback adapter
D. A cable tester

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多項(xiàng)選擇題

Which of the following multimeter settings should only be used when there is no electrical flow through the part being tested? （）(Select TWO).

A.Ampere
B.Continuity
C.Volt
D.Resistance
E.Wattage

單項(xiàng)選擇題

Which of the following access levels allows a user to perform normal day to day work with their own files but does not allow them to change system files or computer performance?（）

A. Administrator
B. User
C. Guest
D. Power user

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