单项选择题
A. Transfer the customer to another technician, who can allocate more time to the issue.
B. Maintain a positive attitude and offer them the cheapest solution possible to satisfy them.
C. Listen to what the customer has to say and calmly recommend the best course of action.
D. Use technical language to demonstrate knowledge and expertise to the customer.
单项选择题 A service technician suspects the fuser assembly needs to be replaced. Which of the following is MOST likely the type of printer being repaired? （）
单项选择题 Which of the following RAID levels requires ONLY two drives and provides mirroring?（）
单项选择题 Which of the following is BEST for providing network security?（）