《计算机专业英语》第07章在线测试

1、计算机专业英语第07章在线测试计算机专业英语第07章在线测试剩余时间：59:51窗体顶端答题须知：1、本卷满分20分。 2、答完题后，请一定要单击下面的“交卷”按钮交卷，否则无法记录本试卷的成绩。 3、在交卷之前，不要刷新本网页，否则你的答题结果将会被清空。 第一题、单项选择题（每题1分，5道题共5分）1、ADO.NET is the model for .NET-based applications. (data access)A、data miningB、data achieveC、data processD、data access2、, such as those supplied for OLE DB and ODBC, allow you to use data libraries designed for earlier data access technologies.A、Bridge providersB、Native providersC、D、3、, such as the SQL Server and Oracle providers, typically offe

2、r performance improvements due, in part, to the fact that there is one less layer of abstraction.A、Native providersB、Bridge providersC、D、4、if we want to retrieve data from the database with SQL,we should use the comand ofA、selectB、updateC、deleteD、insert5、In SQL,causes an object (a table, for example) to be creaed within the database.A、ALTERB、drpC、creaeD、TRUNCATE第二题、多项选择题（每题2分，5道题共10分）1、Database connection allows an application to reuse an existing connection from a pool instead of repeatedly est

3、ablishing a new connection with the database.A、poolingB、pondC、connectionD、link2、Security is usually enforced through .A、data storingB、auditingC、encryptionD、access controlE、data retrieving3、ADO.NET relies on the services of .NET data providers.There areA、ConnectionB、CommandC、DataReaderD、Data Adapter4、The core of SQL is formed by a command language that allows the and performing management and administrative functions.A、retrieval of dataB、insertion of dataC、updating of dataD、deletion of dataE、proc

4、ess of data5、The types (classes, structs, enums, and so on) associated with each .NET data provider are located in their own namespaces are:A、System.Data.SqlClient. Contains the SQL Server .NET Data Provider types.B、System.Data.OracleClient. Contains the Oracle .NET Data ProviderC、System.Data.OleDb. Contains the OLE DB .NET Data Provider types.D、System.Data.Odbc. Contains the ODBC .NET Data Provider types.E、System.Data. Contains provider-independent types such as the DataSet and DataTable.第三题、判断

5、题（每题1分，5道题共5分）1、DBMS are categorized according to the database model that they support.正确错误2、A computer database relies upon DBMS to organize the storage of data.正确错误3、All of these databases can not take advantage of indexing to increase their speed.正确错误4、Database security denotes the system, processes, and procedures that protect a database software from unintended activity.正确错误5、Enforcing security is one of the major tasks of the DBA.正确错误 窗体底端恭喜，交卷操作成功完成！你本次进行的计算机专业英语第07章在线测试的得分为 20分（满分20分），本次

6、成绩已入库。若对成绩不满意，可重新再测，取最高分。测试结果如下： 1.1 单选 对 ADO.NET is the model for .NET-based applications. (data access) 1.2 单选 对 , such as those supplied for OLE DB and ODBC, allow you to use data libraries designed for earlier data access technologies. 1.3 单选 对 , such as the SQL Server and Oracle providers, typically offer performance improvements due, in part, to the fact that there is one less layer of abstraction. 1.4 单选 对 if we want to retrieve data from the database with SQL,we should use the comand of

7、1.5 单选 对 In SQL,causes an object (a table, for example) to be creaed within the database. 2.1 多选 对 Database connection allows an application to reuse an existing connection from a pool instead of repeatedly establishing a new connection with the database. 2.2 多选 对 Security is usually enforced through . 2.3 多选 对 ADO.NET relies on the services of .NET data providers.There are 2.4 多选 对 The core of SQL is formed by a command language that allows the and performing management and administrative funct

8、ions. 2.5 多选 对 The types (classes, structs, enums, and so on) associated with each .NET data provider are located in their own namespaces are: 3.1 判断 对 DBMS are categorized according to the database model that they support. 3.2 判断 对 A computer database relies upon DBMS to organize the storage of data. 3.3 判断 对 All of these databases can not take advantage of indexing to increase their speed. 3.4 判断 对 Database security denotes the system, processes, and procedures that protect a database software from unintended activity. 3.5 判断 对 Enforcing security is one of the major tasks of the DBA.

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