单项选择题
Which of the following memory technologies doubles the amount of data obtained in a single memory access from 64-bits to 128-bits？（）
A.SDRAM B.DDR RAM C.Interleaved memory D.Online spare memory
单项选择题 Assumingthenetworksupportsallspeeds，whichofthefollowingshouldanadministratorusetoget theMOSTthroughput？（）
单项选择题 WhichofthefollowingstatementsistrueaboutL3cache？（）
单项选择题 Whichofthefollowingisakeycomponentofadirectoryservicesserver？（）
