單項(xiàng)選擇題

A laser printer has an error tray two paper jam but tray two does not have any paper in it. Which of the following should the technician do FIRST? （）

A. Replace the tray two paper sensor and run the printer self test.
B. Remove the tray two paper sensor and clean the printhead.
C. Check the tray two paper sensors for blockage and run the printer self test.
D. Check the tray two paper rollers for blockage, clean the printhead, and run the printer self test.

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單項(xiàng)選擇題

Which of the following is the MOST secure method to authenticate users?（）

A. User ID, a strong password, and a fingerprint scanner
B. User ID, a strong password, and a token based device
C. User ID and two levels of strong password requirements
D. User ID, a strong password, and a smart card

單項(xiàng)選擇題

A frustrated customer has called about their computer that is not functioning correctly. Which of the following is the BEST question to ask the user?（）

A. “Can you avoid using the PC that crashed?”
B. “What was the last thing that occurred before the PC had problems?”
C. “What were you doing before the PC went down?”
D. “What was the last thing you did before the PC crashed?”

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A laser printer has an error tray two paper jam but tray two does not have any paper in it. Which of the following should the technician do FIRST? （）

你可能感興趣的試題

Which of the following is the MOST secure method to authenticate users?（）

A frustrated customer has called about their computer that is not functioning correctly. Which of the following is the BEST question to ask the user?（）

97免费在线观看视频,亚洲综合自拍网,黄色毛片免费观看,热久久综合网,免费看日产一区二区三区狠狠操av,久久久涩涩涩,在线精品免费视频,人人插天天干,久久91精品国产91久久