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You work in a company which uses SQL Server 2008. You are the administrator of the company database. Now you are in charge of a SQL Server 2008 instance. The instance contains a database named DB1. An application which is continuously connected uses DB1. The application extensively uses the INSERT command and triggers the population of multiple tables. Now you notice that the application has a poor performance. You doubt that this problem has something to do with blocking. You have to monitor the state of the instance at regular intervals while not affecting the application performance further. 
Which tool should you use? （） 

下列被判处有期徒刑或者拘役的罪犯中，对（）不得监外执行。 怀孕妇女。 哺乳自己婴儿的妇女。 自伤自残的罪犯。 暴力犯罪的。 You work as an ASP.NET Web Application Developer for SomeCompany.  The company uses Visual Studio .NET 2010 as its application development platform. You create an ASP.NET Web application using .NET Framework 4.0. You create a Web page in the application. The Web page will get large sets of data from a data source.  You add a DataPager control to the page. You are required to display navigation controls that enable you to create a custom paging Ul for the DataPager control. What will you do？（） Use NextPreviousPagerField.。 Use NumericPagerField.。 Use PreviousPagerField.。 Use NextPagerField.。 Use TemplatePagerField.。 固定资金的特点是（）。 价值转移和补偿是一次完成的。 价值一次投资分次收回。 价值补偿与实物更新分离。 存在于多个生产过程。 You are developing a Windows Communication Foundation (WCF) service that does not operate on a duplex channel.You find that operations do not start until all previous operations have finished. The service hosting code contains the following lines.var service = new WarehouseService(); var host = new ServiceHost(service);You need to ensure that new operations do not wait for previous operations to finish. Which attribute should you use to decorate the service?（） [ServiceBehavior(InstanceContextMode=InstanceContextMode.Single, ConcurrencyMode=ConcurrencyMode.Multiple)]。 [CallbackBehavior(ConcurrencyMode=ConcurrencyMode.Multiple)]。 [ServiceBehavior(InstanceContextMode=InstanceContextMode.Single, ConcurrencyMode=ConcurrencyMode.Single)]。 [ServiceBehavior(InstanceContextMode=InstanceContextMode.Single, ConcurrencyMode=ConcurrencyMode.Reentrant)]。 具有（）医疗器械不得委托生产。

You work in a company which uses SQL Server 2008. You are the administrator of the company database. Now you are in charge of a SQL Server 2008 instance. The instance contains a database named DB1. An application which is continuously connected uses DB1. The application extensively uses the INSERT command and triggers the population of multiple tables. Now you notice that the application has a poor performance. You doubt that this problem has something to do with blocking. You have to monitor the state of the instance at regular intervals while not affecting the application performance further. 
Which tool should you use? （）