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You are the network administrator for your company. All servers run Windows Server 2003.  You configure a server named Server2 as a Network Address Translation (NAT) server. Server2 has a single network adapter and a modem. Server2 connects to the Internet through a demand-dial connection.
Users report that when they attempt to connect to Internet Web sites, they intermittently receive the following error message: "Page not found." After waiting for several minutes, they can connect to the Web sites. These errors occur throughout the day.  You need to configure Server2 to allow users to always connect to Internet Web sites.  
What should you do?()

A . Set the demand-dial connection to Persistent.
B . Set the dial-out hours on the demand-dial connection to any day and any time.
C . Set a demand-dial filter. Configure the filter for Only allow the following traffic. Specify a new filter for outbound port 80.
D . Configure the demand-dial interface as the private interface.

下面关于位图图像和矢量图形描述错误的是()  位图图像与分辨率有关,也就是说,它们包含固定数量的像素。  可以将矢量图缩放到任意尺寸,按任意分辨率打印,而不会丢失细节或降低清晰度。  下图是对图像分别进行不同比例放大的效果,由结果可知这是一幅位图。  在矢量图形时,所编辑的是像素,而不是对象或形状。 鼓泡式反应器是()的酶催化反应中常用的一种反应器。 某城市环路立交桥工程长1.5km,其中跨越主干道路部分采用现浇预应力砼箱梁结构,跨径47.6m,鉴于在城市主干道上施工,承建该工程的施工项目部为此制订了专项施工方案,拟采取以下措施:1)占用一条慢行车道,选择在夜间时段,自行封路后进行箱梁支架作业。2)在实施遇到下列一些情况:①施工单位根据预制梁的尺寸、数量、工期确定预制台座的数量、尺寸、对张拉机具作了校验,并对预应力的张拉、灌浆等施工工艺进行了控制。②跨越既有道路部分为现浇梁施工,采用支撑间距较大的门洞支架,为此编制了专项施工方案,并对支架强度作了验算。对张拉机具的使用有哪些要求? You are developing a Windows Presentation Foundation (WPF) application. The application contains stylized body text and heading text. The heading text is a slight variation of the body text. You need to ensure that if the body text changes, the heading text automatically inherits those changes. What should you do ?() Set the Value property of the style setter to point to a static resource。 Set the BasedOn property of the heading style to point to a static resource for the body text style。 Set the Key property of the heading style to start with the name of the body text style。 Set the TargetType property of the heading style to TextBlock。 You create a Microsoft ASP.NET application by using the Microsoft .NET Framework version 3.5.  You write the following code segment to create a client-script function. (Line numbers are included for   English  Chinese  Japan  Korean  - 144 - Test Information Co., Ltd. All rights reserved. reference only.)  01 function updateLabelControl(labelId, newText) {  02 var label = $find(labelId);  03 label.innerHTML = newText; 04 }  The client script function uses ASP.NET AJAX and updates the text of any Label control in the Web form.  When you test the client script function, you discover that the Label controls are not updated. You receive the following JavaScript error message in the browser: "’null’ is null or not an object." You need to resolve the error.  What should you do?() A。 B。 C。 D。

You are the network administrator for your company. All servers run Windows Server 2003.  You configure a server named Server2 as a Network Address Translation (NAT) server. Server2 has a single network adapter and a modem. Server2 connects to the Internet through a demand-dial connection.
Users report that when they attempt to connect to Internet Web sites, they intermittently receive the following error message: "Page not found." After waiting for several minutes, they can connect to the Web sites. These errors occur throughout the day.  You need to configure Server2 to allow users to always connect to Internet Web sites.  
What should you do?()

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