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You create a Microsoft ASP.NET application by using the Microsoft .NET Framework version 3.5. You write the following code fragment：  
<asp：DropDownList AutoPostBack="true" ID="DropDownList1" runat="server"   onselectedindexchanged= "DropDownList1_SelectedIndexChanged">  
<asp：ListItem>1</asp：ListItem>  
<asp：ListItem>2</asp：ListItem>  
<asp：ListItem>3</asp：ListItem>  
</asp：DropDownList>   
You also add a MultiView control named MultiView1 to the Web page. MultiView1 has three child View controls. 
You need to ensure that you can select the View controls by using the DropDownList1 DropDownList control.
Which code segment should you use？（）

Your company has an Active Directory Domain Services (AD DS) domain. You have a main office and a branch office that are connected by a slow WAN link. All servers are located in the main office. You virtualize an application by using Microsoft Application Virtualization (App-V) 4.5. The available bandwidth is not sufficient for branch office users to run the virtualized application. You need to ensure that branch office users can run the virtualized application by using the Microsoft Application Virtualization Desktop Client. What should you do?（） On each App-V server in the main office, upgrade the App-V desktop clients to 4.6.。 On each client computer in the branch office, upgrade the App-V desktop clients to 4.6.。 On each client computer in the branch office, install the application by using Windows Installer (.msi) files created by the App-V Sequencer.。 In the Microsoft System Center Application Virtualization Management Server, configure an Application Virtualization file server for the main office.。 戴奥真尼斯（Diogenes） 党员廉洁自律规范包括（）。 坚持尚俭戒奢，艰苦朴素，勤俭节约。 坚持吃苦在前，享受在后，甘于奉献。 坚持崇廉拒腐，清白做人，干净做事。 坚持公私分明，先公后私，克己奉公。 结构性通货膨胀 具有中国特色的解决民族问题的一项重要的政治制度是：（） 共产党领导的多党合作与政治协商制度。 民族区域自治制度。 人民代表大会制度。 人民民主政治制度。

You create a Microsoft ASP.NET application by using the Microsoft .NET Framework version 3.5. You write the following code fragment：  
<asp：DropDownList AutoPostBack="true" ID="DropDownList1" runat="server"   onselectedindexchanged= "DropDownList1_SelectedIndexChanged">  
<asp：ListItem>1</asp：ListItem>  
<asp：ListItem>2</asp：ListItem>  
<asp：ListItem>3</asp：ListItem>  
</asp：DropDownList>   
You also add a MultiView control named MultiView1 to the Web page. MultiView1 has three child View controls. 
You need to ensure that you can select the View controls by using the DropDownList1 DropDownList control.
Which code segment should you use？（）