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1 A laser printer prints pages with a gray background. Which of the following is the MOST possible cause of the problem? （）

2 Which of the following pin pairs remain with the same wire color for either T568A or T568B?（）

3 Which of the following interfaces are typically supported on the input side of a KVM switch?（）

4 A technician replaces a user’s 15 inch LCD with a 20 inch LCD. Later, the user informs thetechnician that icons are very large and the text on the monitor is fuzzy and distorted. Which of the following is MOST likely the cause?（）

5 A technician is servicing a customer’s color laser printer and notices excess toner in the printer.Which of the following tools would BEST assist the technician in removing the excess toner?（）

220-701單項(xiàng)選擇題每日一練(2019.01.19)