單項(xiàng)選擇題

A customer states that they cannot print from their laser printer. The printer displays a ‘Paper Jam’ error. Upon inspection there is no paper jam. The only indication is a clicking sound when the user tries to print.
Which of the following is the MOST likely cause?（）

A. Feed roller gear is broken.
B. Feed rollers are dirty.
C. Fuser has overheated.
D. Toner cartridge needs to be replaced.

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多項(xiàng)選擇題

A customer reports that their sound is not working. They state that the speakers workedpreviously. Which of the following should the technician check?（） (Select THREE).

A. Speakers are in regulatory compliance.
B. Speakers are on and the mute is off.
C. Speakers are on the Windows HCL.
D. The system has enough hard drive space.
E. The audio driver is installed correctly.
F. Speakers are plugged into the correct jack.

單項(xiàng)選擇題

A customer, Bob, needs to be able to access the Internet while traveling. Which of the following could Jill, a technician, recommend to Bob?（）

A. Cellular service with an adapter for Bob’s laptop.
B. USB adapter with 802.11n capabilities for maximum speeds.
C. A Bluetooth card to attach to multiple networks.
D. Enable Wi-Fi so Bob can connect to any open network.

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A customer states that they cannot print from their laser printer. The printer displays a ‘Paper Jam’ error. Upon inspection there is no paper jam. The only indication is a clicking sound when the user tries to print. Which of the following is the MOST likely cause?（）

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A customer reports that their sound is not working. They state that the speakers workedpreviously. Which of the following should the technician check?（） (Select THREE).

A customer, Bob, needs to be able to access the Internet while traveling. Which of the following could Jill, a technician, recommend to Bob?（）

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A customer states that they cannot print from their laser printer. The printer displays a ‘Paper Jam’ error. Upon inspection there is no paper jam. The only indication is a clicking sound when the user tries to print.
Which of the following is the MOST likely cause?（）