A Bluetooth device can be either a master or a slave and any of the devices within a （　　）can be the master. There is only one master and there can be up to （　　）active slave devices at a time within a single network. In addition， a device may be a standby slave or a parked slave. There can be up to （　　） parked slaves. If there are already maximum number of active slaves， then a parked slave must wait until one of the active slaves switches to （　　）mode before it can become active. Within a network， all （　　）communications are prohibited.
问题1选项
A.Wireless LAN
B.Wireless MAN
C.Cellular radio network
D.Piconet
问题2选项
A.7
B.15
C.63
D.255
问题3选项
A.127
B.255
C.511
D.1023
问题4选项
A.master
B.standby slave
C.parked slave
D.active slave
问题5选项
A.master-to-master
B.master-to-slave
C.slave-to-slave
D.slave-to-master