CompTIA認(rèn)證考試PD0-001單項(xiàng)選擇題每日一練(2019.01.13)

來(lái)源：考試資料網(wǎng)

1 Which of the following would be the BEST process for the technician to follow when beginning to diagnose a unit at a customers site？（）

2 A polygon mirror is part of which of the following assemblies？（）

3 Scheduled preventative maintenance visits should be carried out：（）

4 Which of the following is the purpose of a torque limiter in a roller？（）

5 An encoder sensor typically detects：（）