单项选择题
A.Jumper selection
B.Power connector
C.Data port connector
D.Hard drive LEDs
单项选择题 Whichofthefollowingwouldrestricttrafficfromaspecifichosttoanetwork？（）
单项选择题 Whichofthefollowingmemorytechnologiesdoublestheamountofdataobtainedinasingle memoryaccessfrom64-bitsto128-bits？（）
单项选择题 Assumingthenetworksupportsallspeeds，whichofthefollowingshouldanadministratorusetoget theMOSTthroughput？（）