单项选择题
A. Use RAID 1 with ten 300GB hard drives.
B. Use RAID 6 with seven 300GB hard drives.
C. Use RAID 5 with six 300GB hard drives.
D. Use RAID 10 with ten 300GB hard drives.
单项选择题 A datacenter has exceeded the load on the central uninterruptible power supply (UPS) for the room and is causing power load problems. Additional power is available, but not using the central UPS. Which of the following is the BEST temporary solution for adding new servers until an upgrade of the central UPS can occur?（）
单项选择题 WhichofthefollowingserversresolvescomputernamestoIPaddresses？（）
单项选择题 Whenaddinganotherservertoanexistingrackmountsystem，whichofthefollowingshouldthe administratorconsiderFIRST？（）