Acustomerwantstoincreasetheperformanceofanexistingserver.Theyarerunningaverynetworkintensiveapplicationandfeelthatincreasingthebandwidthtothenetworkwillfixtheirproblem.
Theyarerunningtwo24-portautosensing10\/100hubs，tiedtogetherwithastandardEthernetcrossovercableinport24.
TheserverisrunningIPX.Afteraddingasecondnetworkcardandpluggingonecardintoeachhub，theyhavenotseenanyperformanceimprovement.
Whichtwoarelikelyreasonswhyimplementingnetworkadapterteaminghasnotimprovedperformance？（）
参考答案：AD
