单项选择题
A. A failed RAID controller
B. Two failed processors
C. Two failed sticks of memory
D. Two failed drives
单项选择题 Anadministratorneedsthefastestread/writecapabilitieswiththemostredundancy，costisnotafactor.Thecurrentdatarequirementis750GBbutwilldoubleinthenextyear.Whichofthefollowing BESTmeetstheserequirements？（）
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？（）