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  第75题      
  章/节:   计算机专业英语       

 
Without proper safeguards, every part of a network is vulnerable to a security breach or unauthorized activity from (71), competitors, or even employees. Many of the organizations that manage their own (72) network security and use the Internet for more than just sending/receiving e-mails experience a network (73)—and more than half of these companies do not even know they were attacked. Smaller(74)are often complacent, having gained a false sense of security. They usually react to the last virus or the most recent defacing of their website. But they are trapped in a situation where they do not have the necessary time and(75)to spend on security.
 
 
  A.  safeguards
 
  B.  businesses
 
  C.  experiences
 
  D.  resources
 
 
 

 
  第72题    2012年下半年  
   52%
  第75题    2015年上半年  
   46%
Traditional network layer packet forwarding relies on the information provided by network layer(71)protocols, or stati..
  第75题    2018年下半年  
   55%
The TTL field was originally designed to hold a time stamp, which was decremented by each visited router.The datagram wa..
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第75题    在手机中做本题