Every morning, you inspect your company's development and staging servers. You do this to ensure that the servers have the same versions of all files in your Web application.For security reasons, you can only access the staging server through FTP.You need to synchronize files from the staging server so that the staging server matches the development server.You want to achieve this goal by using the minimum amount of administrative effort. Which tool should you use?（） FTP。 XCOPY。 the Publish Web tool。 the Copy Web tool。
提高系统有效度的途径有哪些？
You use Microsoft .NET Framework 4 to create a Windows Presentation Foundation (WPF) application. You add a ListBox control to the application. The ListBox control is data-bound to an instance of a custom collection class of the Product objects named ProductList. You need to ensure that changes to ProductList are automatically reflected in the ListBox control. What should you do? （） Implement the INotifyPropertyChanged interface in the Product class.。 Implement the IQueryable<Product> interface in the ProductList class.。 Extend the DependencyObject class in the Product class.。 Extend the ObservableCollection<Product> class in the ProductList class.。
You have a DNS server named Server1 that runs Windows Server 2003 Service Pack 2 （SP2）. You create a primary zone on Server1 for contoso.com.You run the DNS simple query test and recursive query test. The simple query test completes successfully， but the recursive query test fails.You need to ensure that the recursive query test can complete successfully. What should you do on Server1？（） Clear the cache.。 Disable recursion.。 Enable access to the Internet.。 Configure a reverse lookup zone.。
在一个存储过程定义的AS关键字前可以定义该过程的（），AS关键字之后为该过程的（）。
Your network contains two servers named Server1 and Server2 that run Windows Server 2008 R2. Server1 has the Active Directory Federation Services （AD FS） Federation Service role service installed.
You plan to deploy AD FS 2.0 on Server2.
You need to export the token-signing certificate from Server1， and then import the certificate to Server2.
Which format should you use to export the certificate（）
