免费智能真题库 > 历年试卷 > 网络规划设计师 > 2017年下半年 网络规划设计师 上午试卷 综合知识
第72题      2017年下半年 网络规划设计师 上午试卷 综合知识
所属知识点   专业英语       

 
Typically,an IP address refers to an individual host on a particular network. IP also accommodates addresses that refer to a group of hosts on one or more networks.Such addresses are referred to as multicast addresses,and the act of sending a packet from a source to the members of a (71)group is referred to as multicasting. Multicasting done (72 ) the scope of a single LAN segment is straightforward. IEEE 802 and other LAN protocols include provision for MAC-level multicast addresses. A packet with a multicast address is transmitted on a LAN segment.Those stations that are members of the (73)multicast group recognize the multicast address and (74)the packet.In this case,only a single copy of the packet is ever transmitted.This technique works because of the (75)nature of a LAN:A transmission from any one station is received by all other stations on the LAN.
 
 
  A.  within
 
  B.  out of
 
  C.  beyond
 
  D.  cover
 
 
 

  专业英语 知识点 更多相关真题:    更多>  
 
  第73题    2017年下半年  
   85%
Typically,an IP address refers to an individual host on a particular network. IP also accommodates addresses that refer to a group of hosts on one or more networks.Such addresses ..
  第72题    2011年下半年  
   77%
A glue that holds the whole Internet together is the network layer protocol, (71) . Unlike most older network layer protocols, it was designed from the beginning with internetworki..
  第72题    2010年上半年  
   85%
One of the most widely used routing protocols in IP networks is the Routing Information Protocol (RIP). RIP is the canonical example of a routing protocol built on the (71) algorit..
 

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↓第72题