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  第73题      
  章/节:   专业英语       

 
ICMP is short for Internet (71) Message Protocol, and is an integral part of the Internet (72) suite (commonly referred to as TCP/IP). It is a (73) layer protocol used by network devices to diagnose network communication issues. IP is not designed to be absolutely reliable. ICMP is to provide feedback about problems in the communication environment, not to make IP (74).One of the most well-known and useful messages in an ICMP datagram is the Destination (75) message which is generated for several reasons, including unable to reach a network, a host, a port, or a protocol.
 
 
  A.  physical
 
  B.  data link
 
  C.  network
 
  D.  transpor
 
 
 

 
  第72题    2016年上半年  
   73%
The use of network(71),systems that effectively isolate an organization's internal network structure from an(72)netw..
  第75题    2012年上半年  
   64%
We have already covered the topic of network addresses. The first (71) in a block (in classes A, B, and C) defines the n..
  第75题    2019年上半年  
   61%
Simple Network Management Protocol(SNMP)is an Internet Standard protocol for collecting and organizing information abo..
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