单项选择题
When performing a backup， which of the following media types would have no moving parts？（）
A. Tape B. Flash C. WORM D. Optical
单项选择题 Anadministratorhasarackserverthatis5.25inches（13.3cm）tall，whichofthefollowingisthe correctUsizeforthisserver？（）
单项选择题 Which of the following BEST describes the difference between RAID 5 and RAID 6?（）
单项选择题 Which of the following BEST describes RAID 5?（）
