A self-hosted Windows Communication Foundation (WCF) service uses a secure HTTP binding with a custom principal permission mode. The binding requires users to provide their Windows logon credentials. You need to retrieve the identity of the caller.What are two possible properties you can use to achieve this goal? (Each correct answer presents a complete solution Choose two)（） Thread.CurrentPrincipal.Identity.Name。 HttpContext.Current.User.Identity.Name。 ServiceSecurityContext.Current.PrimaryIdentity.Name。 OperationContext.Current.ServiceSecurityContext.PrimaryIdentity.Name。
You copy a Web site from a development site to a staging site. You do not have the Web site in a source control application. Another developer begins to fix bugs on the staging site while the development team adds features on the development site. You need to synchronize the development site and the staging site and copy the latest version of each file to both locations. What should you do? （） Use the Copy Web tool.。 Create a Web Setup project.。 Use the Publish Web tool.。 Use the command line to XCOPY the files.。
下列哪些选项是新五化支撑的条件（）。 互联网就是互联网时代的信息化。 党中央提出的全面生化改革的总目标是国家治理体系和能力的现代化。 是指十八大提出的工业化、城镇化、农业信息化。 地方政府、党委要高度重视四个全面在新的五个现代化的重要作用。
促进国民经济又好又快发展，要深化对社会主义市场经济规律的认识，从制度上更好发挥（）在资源配置中的基础性（现为“决定性”）作用。 市场。 政府。 市场与政府。 计划。
When compressing data with the DeflateStream class， how do you specify a stream into which to write compressed data？（） Set the BaseStream property with the destination stream， and set the CompressionMode property to Compression.。 Specify the stream to write into the DeflateStream object is created （for example， in the constructor）.。 Use the Write method of the DeflateStream class.。 Register for the BaseSream event of the DeflateStream class.。
裙桩基础中的单桩称为（）
