免费智能真题库 > 历年试卷 > 网络规划设计师 > 2010年下半年 网络规划设计师 上午试卷 综合知识
  第72题      
  章/节:   专业英语       

 
A Bluetooth device can be either a master or a slave and any of the devices within a(71)can be the master. There is only one master and there can be up to (72) 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 (73) 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 (74) mode before it can become active. Within a network, all (75) communications are prohibited.
 
 
  A.  7
 
  B.  15
 
  C.  63
 
  D.  255
 
 
 

 
  第75题    2011年下半年  
   78%
A glue that holds the whole Internet together is the network layer protocol, (71) . Unlike most older network layer prot..
  第73题    2009年下半年  
   71%
The network layer provides services to the transport layer. It can be based on either (71) . In both cases, its main job..
  第72题    2015年下半年  
   62%
Symmetric, or private-key, encryption is based on a secret key that is shared by both communcating parties. The (71) p..
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第72题    在手机中做本题