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  第75题      
  章/节:   专业英语       

 
Routers perform the decision process that selects what path a packet takes. These (71) layer devices participate it the collection and distribution of network-layer information, and perform Layer 3 switching based on the contents of the network layer (72) of each packet. You can connect the routers directly by point-to-point (73) or local-area networks, or you can connect them by LAN or WAN switches. These Layer 2 switches unfortunately do not have the capability to hold Layer 3 (74) information or to select the path taken by a packet through analysis of its Layer 3 destination address. Thus, Layer 2 switches be involved in the Layer 3 packet (75) decision process.
 
 
  A.  switching
 
  B.  processing
 
  C.  forwarding
 
  D.  connecting
 
 
 

 
  第75题    2020年下半年  
   71%
Network Address (71) (NAT) is the process where a network device assigns a public address to a computer (or group of com..
  第71题    2016年下半年  
   52%
The Internet is based on a connectionless end-to-end packet service, which traditionally provided best-effort means of d..
  第74题    2018年上半年  
   69%
The number of home users and small businesses that want to use the Internet is ever increasing. The shortage of addresse..
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