A Bluetooth device can be either a maste

资格题库2022-08-02  29

问题 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

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解析 答案: D、A、B、C、C。蓝牙设备可以是一个主设备也可以是一个从设备,位于()中的任一设备都可以成为主设备。在一个网络中只有一个主设备,最多有 ()个激活的从设备。另外,一个设备可以是活跃的从设备或是休眠的从设备,最多有()个休眠的从设备。如果已有最大数量的活跃从设备,那么,一个休眠的从设备就必须等到某活跃从设备切换到()模式后才能被激活。在一个网络内,所有的()通信都是被禁止的。
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