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问题 单项选择题

某网络结构如下图所示。在Windows操作系统中配置Web服务器应安装的软件是（）。在配置网络属性时PC1的“默认网关”应该设置为（），首选DNS服务器应设置为（）。

首选DNS服务器应设置为（）

A．210.110.112.113

B．210.110.112.111

C．210.110.112.98

D．210.110.112.9

答案

参考答案：B

解析：

IIS是Internet Information Server的简称。IIS作为当今流行的Web服务器之一，提供了强大的Internet和Intranet服务功能。Windows Server 2003系统中自带Internet信息服务6.0(IIS6.0)，在可靠性、方便性、安全性、扩展性和兼容性等方面进行了增强。IMail作为Windows操作系统上的第一个邮件服务器软件，目前已经有了10年的历史，全世界来自不同行业的用户使用IMail作为他们的邮件服务平台。Wingate是一个代理服务器软件：IE6.0则是一个浏览器软件。

PCI的“默认网关”应该设置为路由器上PCI端IP地址，即210.110.112.9。

域名系统(DNS)是一种TCP/IP的标准服务，负责IP地址和域名之间的转换。DNS服务允许网络上的客户机注册和解析DNS域名。这些名称用于为搜索和访问网络上的计算机提供定位。PCI的首选DNS服务器应设置为210.110.112.111。

填空题
选词填空(其中有两个选项是多余的)。
A. from  B. All  C. None  D. lose  E. get  F. holiday  G. both
H. called  I. all the other boys  J. bad   K. worse  L. in

     Martin Henfield talks about some of his experiences as a twin: When we were small, my mother
 dressed us __1__ the same clothes.  That was bad enough and we didn't like it.  But when we went on
 our first camping trip with the scouts (童子军), it was even __2__ . We were only ten years old, and
 while __3__ went into their sleeping bags for the night, we were not happy to be inside a double sleeping
  bag my mother made for us.  At school our classmates __4__ us Henfield One and Henfield Two, so
 people couldn't even see our difference according to our family name because __5__ of us were
 Henfield.  It was only when I went to college and began to have my own friends that I started to feel my
 own freedom of identity.
      Before I went to college, during my last school __6__ , I got a job on a building site.  My twin brother,
  Mike Henfield, didn't work.  He was resting.  One day I said to the forman (工关), "Can I have a week
  off?" "Certainly," he said, "but you won't have the job when you __7__ back. " I didn't want to __8__ the
  job.  Soon Monday morning, Mike dressed in my jeans, jackct and hat and he worked for me for one
 week. __9__ of them knew the difference.
    Now I  am growing old and I feel very different __10__  my twin brother.  And he'll tell you the same.
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单项选择题

在双代号时标网络计划中，某工作箭线上没有波形线，则该工作( )。

A．为关键工作

B．总时差为0

C．自由时差为0

D．总时差：自由时差
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