单项选择题
A. Add the connection string to the Settings.settings file.
B. Add connection string to the Web.config file and use protected configuration.
C. Use the TRUE setting in the Persist Security Info keyword.
D. Use the FALSE setting in the Persist Security Info keyword
单项选择题 You work as an application developer at Contoso.com. You use Microsoft .NET Framework 3.5 and Microsoft ADO.NET to develop an application that will connect to the Microsoft SQL Server 2005 database. The application uses an XML file that contains product data. Furthermore， a corresponding XSD file contains the schema of the XML file. You want the application to do the following： Loads the XML file in a typed DataSet and validates it against the schema provided in the XSD file. What should you do？ （）
单项选择题 You work as an application developer at Contoso.com. You use Microsoft .NET Framework 3.5 and Microsoft ADO.NET to develop an application that will connect to the Microsoft SQL Server 2005 database. The application fills a DataSet object named cust with customer records. Your application contains the following code. （Line numbers are for reference only.） 01 System.IO.StreamWriter sw = 02 new System.IO.StreamWriter（"Customers.xml"）； 04 sw.Close（）； You want to write the content of the cust object to the Customers.xml file as XML data along with inline XML schema. What should you do？（）
多项选择题 VOIPhasbeenimplementedatthemainofficeoftheCompanynetwork.WhichtwostatementsaretrueaboutvoicepacketsinaLAN？（）