基差走弱，有利于买进套期保值者。同样，当基差变大，即基差走强时，有利于卖出套期保值者。（）此题为判断题(对，错)。

nd two buttons. The control must be available in the global assembly cache for reuse across multiple Web applications. You need to achieve this functionality by using the minimum amount of code. What should you do？ （）

A. Create a control that derives from System.Web.UI.Control.

B. Create a control that derives from System.Web.UI.WebControls.CompositeControl.

C. Create a control that derives from System.Web.UI.WebControls.WebControl.

D. Create a control that derives from System.Web.UI.UserControl.

ms for an ASP.NET Web site that allows users to register and log on to a personalized experience. The custom user control uses two TextBox controls and two Button controls. You need to ensure that the controls are visible only when users are not logged on to the Web site. You also need to minimize the amount of effort in development and maintenance for the Web site.Which two actions should you perform？ （）

A. Add the OnClick event handler for the Login button to the code used in the custom user control.

B. Add the OnClick event handler for the Login button to the code used in the Web Form where the control is added.

C. In the Page_Load method of the Web Form, add a code segment to set the visibility of the TextBox and Button controls where the control is added.

D. In the Page_Load method of the custom user control, add a code segment to set the visibility of the TextBox and Button controls.

ms for an ASP.NET Web site that allows users to register and log on to a personalized experience.The custom user control uses two TextBox controls and two Button controls.You need to ensure that the controls are visible only when users are not logged on to the Web site. You also need to minimize the amount of effort in development and maintenance for the Web site.Which two actions should you perform？（）

A. Add the OnClick event handler for the Login button to the code used in the custom user control.

B. Add the OnClick event handler for the Login button to the code used in the Web Form where the control is added.

C. In the Page_Load method of the Web Form, add a code segment to set the visibility of the TextBox and Button controls where the control is added.

D. In the Page_Load method of the custom user control, add a code segment to set the visibility of the TextBox and Button controls.

A. Place the Command control within an instance of the System.Web.UI.MobileControls.SelectionList control.

B. Place the Command control within an instance of the System.Web.UI.MobileControls.ObjectList control.

C. Place the Command control within an instance of the System.Web.UI.MobileControls.Form control.

D. Place the Command control within an instance of the System.Web.UI.MobileControls.Panel control.

ContosoMailer to it. You then distribute the Web Control Library files to your team. You need to provide your team with the correct procedure for adding the Web Control Library to the items in the toolbox of Microsoft Visual Studio .NET. Which procedure should you provide to the team？ （）

A. Within the toolbox, click Choose Items and then browse to and select the ContosoControls user control.

B. Within the toolbox, click Choose Items and then browse to and select the ContosoMailer user control.

C. Right-click Web Project, click Add Reference, and then browse to and select the ContosoControls.dll file.

D. Within the toolbox, click Choose Items and then browse to and select the ContosoControls.dll file.

ContosoMailer to it. You then distribute the Web Control Library files to your team. You need to provide your team with the correct procedure for adding the Web Control Library to the items in the toolbox of Microsoft Visual Studio .NET.Which procedure should you provide to the team？（）

A. Within the toolbox, click Choose Items and then browse to and select the ContosoControls user control.

B. Within the toolbox, click Choose Items and then browse to and select the ContosoMailer user control.

C. Right-click Web Project, click Add Reference, and then browse to and select the ContosoControls.dll file.

D. Within the toolbox, click Choose Items and then browse to and select the ContosoControls.dll file.

to increment each time a user accesses the UI classes within the application.To do this, you start by creating performance counters using the following code:GRAFIK - wird nicht für Antwort ben？tigt !!!You have to adjust the HitCounter performance counter when a hit occurs.What should you do？（）

A.

B.

C.

D.

at some of the UI elements can be grouped into user controls. You need to create a Web control to group the UI elements that do not require server-side processing. Doing so will enable you to programmatically add or remove the UI elements from the page. You want to maintain the UI elements‘ style properties.What should you do？ （）

A. Use System.Web.UI.TemplateControl to group the UI elements.

B. Use System.Web.UI.HtmlControls.HtmlControl to group the UI elements.

C. Use System.Web.UI.LiteralControl to group the UI elements.

D. Use System.Web.UI.WebControls.Literal to group the UI elements.

You are creating a Windows Communication Foundation (WCF) service that accepts claims-based tokens. You need to ensure that the service can use claims from trading partners even though there are variations on naming for the same elements.Which two actions should you perform？ (Each correct answer presents part of the solution. Choose two.)（）

A. Register a custom Service Authorization Manager that implements Check Access. In this method, use System.Convert.ChangeType to transform the incoming claim set to a WindowsClaimSet type.

B. Apply a PrincipalPermission attribute on the operation with the required claims listed in the Roles property.

C. Within the operation, verify the presence of the required claims in the current AuthorizationContext.

D. Register an AuthorizationPolicy that maps external claims to an internal ClaimSet.