单项选择题 Which of the following will allow a technician to extend a partition?（）

单项选择题 A user states that the inkjet printer is printing streaks on documents. Which of the following wouldresolve the issue?（）

单项选择题 A technician plugs a USB device into the computer. The system tray displays a message that reports the device is installed, but may not work properly. Which of the following is the MOST likely cause of the message?（）