单项选择题
When implementing a solution to a problem, which of the following is the BEST course of action to take?（）
A. Replace all components simultaneously to ensure that the system is functional.
B. Replace all hardware associated with the problem first to eliminate the possibility of hardware and move onto software
C. Purchase new parts for the system to confirm that they function.
D. Implement one change at a time, reversing the change if it has not resolved the problem.
相关考题
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单项选择题
There is a power outage and all servers are shut down properly by the uninterruptible power supply (UPS) software. When one of the servers starts up it displays a logical drive failed error. This server has two processors, 16GB of memory, and a RAID 5 array with 10 drives. Which of the following is the MOST likely cause?（）
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？（）
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?（）
A. Continue plugging into the central UPS, but put the UPS on bypass to avoid load problems.
B. Plug the servers directly into the power that is not on the UPS.
C. Add stand alone UPSs for new servers not wired off the central UPS.
D. Continue plugging into the central UPS because the actual load supported is actually higher than stated
