AcustomerusesanIBMxSeriesx366fortheirnetworkserver.TheyexperienceddowntimewhentheNICfailedearlierthisyear.TheirNovell6.5serverneedstobeaccessibleallthetimeatthehighestspeedpossible.Slotsareavailablewherenetworkadapterscanstillbeadded.Highavailabilityistheprimaryrequirement，butincreasednetworkbandwidthontheserverisalsorequired.Whichofthefollowingisthemostcost-effectivesolutiontosatisfyallofthecustomer’srequirements？（）
A.Upgradethenetworkswitchesto10Gbspeed.
B.InstalladualportgigabitEthernetadapterandconfigureadapterloadbalancingteamingwiththeonboardadapters.
C.Installoneextraadaptertoteamwiththeinternaladapterandconfigureadapterfailover.
D.InstalltwoadditionalNICsandconfigureadapterloadbalancingteamingwiththeonboardadapters.
参考答案：B
