ABluetoothdevicecanbeeitheramasteroraslaveandanyofthedeviceswithina()canbethemaster.Thereisonlyonemasterandtherecanbeupto()activeslavedevicesatatimewithinasinglenetwork.Inaddition,adevicemaybeastandbyslaveoraparkedslave.Therecanbeupto()parkedslaves.Iftherearealreadymaximumnumberofactiveslaves,thenaparkedslavemustwaituntiloneoftheactiveslavesswitchesto(请作答此空)modebeforeitcanbecomeactive.Withinanetwork,all()communicationsareprohibited. A.MASTER
A.STANDBY SLAVE B.PARKE C.SLAVE D.ACTIVE SLAVE正确答案C
