[单选]

You use Microsoft .NET Framework 4 to create a Windows Presentation Foundation (WPF) application that displays a high-resolution graphic image named Image1.jpg. 
You need to limit the width of the image to 200 pixels. You also need to preserve the aspect ratio of the image. 
Which code fragment should you use?（）

“临界最小努力”理论 在Photoshop中，（）工具可以增加或降低图像的色彩饱和度。 You are developing a web service that will run on a single instance of a Windows Azure worker role.  When interacting with external clients during the testing phase， the service encounters errors that may be related to the format of the HTTP payload.  You need to recommend an approach that allows developers to monitor the service‟s HTTP traffic in real-time.  What should you recommend？（）  Enable Remote Desktop Protocol （RDP） on the worker role.。  Use the Windows Azure Diagnostics API to download the IIS logs.。  Add an endpoint to the worker role to accept HTTPS connections on port 443.。  Change the service to a run in a Windows Azure web role.。 Your network consists of a single Active Directory domain. All servers run Windows Server 2003 Service Pack 2 （SP2）. The network contains two servers named Server1 and Server2. Server1 is configured as a DHCP server and has a scope that contains addresses 192.168.2.51 to 192.168.2.125.You have a reservation for a print device named Printer1.  The reservation assigns the IP address of 192.168.2.100.You install DHCP on Server2 and create a scope that contains addresses 192.168.2.126 to 192.168.2.200.You need to ensure that Printer1’s IP address always remains the same. What should you create on Server2？（） an exclusion range。 a reservation。 a superscope。 a user cla。 国际战略联盟的优缺点是什么？

You use Microsoft .NET Framework 4 to create a Windows Presentation Foundation (WPF) application that displays a high-resolution graphic image named Image1.jpg. 
You need to limit the width of the image to 200 pixels. You also need to preserve the aspect ratio of the image. 
Which code fragment should you use?（）