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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. 

第 1 问

A. Wireless LAN

B. Wireless MAN

C. Cellular radio network

D. Piconet

第 2 问

A. 7

B. 15

C. 63

D. 255

第 3 问

A. 127

B. 255

C. 511

D. 1023

第 4 问

A. master

B. standby slave

C. parked slave

D. active slave

第 5 问

A. master-to-master

B. master-to-slave

C. slave-to-slave

D. slave-to-master

参考答案: D A B C C

详细解析:

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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