ADO极限考试复习,有答案.doc

1.Which property of SqlConnection class provides information, such as data source, database name, user name, and password that is used to establish connection with a database? A. Connection B.Open C.Close D. ConnestionString 2.Which of the following components of data provides retrieves data from a database into a dataset and updates the database? A. Connectiong B. Command C.DataAdapter D.DataReader 3.Which of the following components of a data provider is used to retrieve, insert, delete, or modify data in a data source? A. DataAdapter B. Connection C. Command D.DataReader 4.Consider the following statements: Statement A: The Connection timeout parameter of connection pooling is used to mention the minimum number of connections maintained in the pool. Statement B: Max pool size is used to mention the maximum number of connections allowed in the pool. Which of the following statements is true regarding the above statements? A.A is false , B is true B.Both A and B are false C. A is true, B is false D.Both A and B are true 5.Which of the following parameters of ConnectionString is used to specify the name of the database？ A.Provider B.Initial Catalog C.Data Source D.Database 6.Which of the following controls is used to perform simple data binding: A.DataGridView B.List Box C.Label D.Combo Box 7.Which control of the BindingNavigator returns the current position within the data source? A. bindingNavigarotPositionItem text box B. bindingNavigarotMoveFirstItem button C. bindingNavigatorMoveLastItem button D. bindingNavigatorCountItem text box 8.Which property of DataView is used to specify an expression/condition in a string format used to filter the records A. RowStateFilter B.Filter C.RowFilter D.RowFilterExpression 9.Which property of the DataView control specifies the versions of data returned by a DataView? A.Table B.AllowEdit C.RowStateFilter D