单项选择题
A. Flexibility in relocating the computer
B. Ability to provide secure data communications
C. Faster data speed
D. Ability to setup P2P networking
单项选择题 Which of the following is the MINIMUM amount of hard drives needed for a RAID 5 array?（）
单项选择题 A technician is instructed to configure a set of mirrored drives on a desktop. Which of thefollowing RAID levels does this match?（）
单项选择题 A technician is attempting to determine whether a CAT5 patch cord is a straight-through or acrossover. Which of the following is the BEST to use to determine the cord type?（）