问题 问答题

某单位拟建立一个Intranet,建立自己的Web服务器、DNS服务器,E-mail服务器和内部业务服务器,有一批客户机联网,要求这些机器有的可以到Internet上,只允许访问自己的Web服务器。请你做出规划,解决如下问题。
1. 【问题1】 如何根据网络流量选择联网设备,给出所选设备的作用。

答案

参考答案:可以构建一个非军事区,将对外服务的服务器,如Web服务器、DNS服务器和E-mail服务器等放置在非军事区,通过外网路由器连接Internet。Internet上限制内部的部分PC机访问Internet。
在非军事区和内网之间设置路由器或代理服务器作为防火墙,限制外部的访问。

完形填空
完形填空。
     A  judge was working in his room one day when a neighbour ran in and
said, "If one man's cow kills    1     , the owner of the first cow is responsible(负责的) ,     2     ? "
      "It     3     ,"answered the judge.
     "Well, " said  the  man. "Your cow has . killed   4  . "
       " Oh, "  answered the judge. " Everyone knows that a cow cannot   5   a
man, so a cow is not responsible, and that means that its owner is not
responsible,   6  . "
      "I am sorry, Judge," said the man. "I     7   . I meant that my cow killed
yours. "
     The judge thought   8   a few seconds and then said , " When  I  think  
about  it  more  carefully , this case is   9    as I thought at first. " And then he turned to his clerk and said, " Please   10    me that big black book from the
shelf behind you. "
( )1. A. another  
( )2. A. isn't he
( )3. A. depends  
( )4. A. I        
( )5. A. think    
( )6. A. either    
( )7. A. did wrong
( )8. A. in        
( )9. A. as easy  
( )10.A. take      
B. the other      
B. is he        
B. is            
B. me            
B. do like        
B. neither        
B. made a mistake
B. for            
B. not as easy    
B. bring          
C. another's
C. isn't it
C. comes      
C .my        
C. do as      
C. too        
C. told a lie
C. with      
C. easier than
C. carry      
D. the other's   
D. is it        
D. goes            
D. mine            
D. think like      
D. also            
D. looked bad      
D. as              
D. the easiest    
D. tell            
   
判断题