默认题库 - MCTS(70-561)

单选题

You work as an application developer at Contoso.com. You use Microsoft .NET Framework 3.5 and Microsoft ADO.NET to develop an application. The user name and password that is kept by the connection string is stored directly in the code of the application. You want to make sure that the password in the connection string is as protected. What should you do？（）

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

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单选题

You work as an application developer at Contoso.com. You use Microsoft .NET Framework 3.5 and Microsoft ADO.NET to develop an application. You want to make sure that the application is operative to any type of database. What should you do？（）

A. Set the database driver name in the connection string of the application， and then the connection object as follows： DbConnection connection = new OdbcConnection（connectionString）；
B. Create the connection object as follows： DbProviderFactory factoryDbProviderFactories.GetFactory（databaseProviderName）； DbConnection connection =factory.CreateConnection（）；
Create the connection object as follows： DbProviderFactory factory = DbProviderFactories.GetFactory（"System.Data.Odbc"）； DbConnection connection = factory.CreateConnection（）；
D. Set the database driver name in the connection string of the application， and then the connection object as follows：DbConnection connection = new OleDbConnection（connectionString）；

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单选题

You work as an application developer at Contoso.com. You use Microsoft .NET Framework 3.5 and Microsoft ADO.NET to develop an application. The database on the Microsoft SQL Server 2005 database has two tables that are displayed by using two SqlConnection objects in two different GridView controls. You want the tables to be displayed at the same time with the use a single SqlConnection object. What should you do？（）

A. Create a bound connection by using the sp_getbindtoken and the sp_bindsession stored procedures.
B. Create an exception handler for the connection-busy exception that is thrown on using a single SqlConnection object.
C. Run the two SqlDataReader objects by using a single SqlCommand object.
D. Enable Multiple Active Result Sets （MARS） in the connection string of the application.

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多选题

VOIP has been implemented at the main office of the Company network. Which two statements are true about voice packets in a LAN？（）

A. Voice carrier stream utilizes Real-Time Transport Protocol (RTP) to carry the audio/media portion of the VoIP communication.
B. Voice traffic data flow involves large volumes of large packets.
C. Because a packet loss involves a small amount of data, voice traffic is less affected by packet losses than traditional data traffic is.
D. Voice packets are encapsulated in TCP segments to allow for proper sequencing during delivery.
E. Voice packets are very sensitive to delay and jitter.&e

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单选题

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. You want to use Windows Authentication along with the Microsoft OLE DB provider. You now need to make sure that the OLE DB connection is as secure as possible. What should you do？（）

Add the following parameter to the connection string： Integrated Security=true； PersistSecurityInfo=true；
B. Add the following parameter to the connection string： Integrated Security=SSPI；
C. Add the following parameter to the connection string： Integrated Security=SSPI； PersistSecurityInfo=yes；
D. Add the following parameter to the connection string： Integrated Security=true；

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