单项选择题 Aservercontainsa3diskRAID5array.TheredLEDisilluminatedononeofthedrives.Whichof thefollowingshouldtheserveradministratorperform？（）

多项选择题 Whichofthefollowingshouldbekeptinuninterruptiblepowersupply（UPS）documentationrecords？（）

单项选择题 An administrator needs to maintain 1TB of storage space for a server. A performance critical application will use this storage space for a database. The database will be replicated between multiple servers. Cost and performance are the most important considerations. Which of the following RAID configurations would be the BEST choice for the storage array?（）