Olete.in – MCQs, Mock Tests & Government Job Prep | ADO.Net ADO.Net Mcq Question Set 1

DateSet contains one or more DataTables?

1. True
2. False
3. Can't say
4. none of the above

✅ Correct Answer: 1

Can we use DataView to Filter rows in a DataTable?

1. Yes by setting Filter property
2. Yes by setting FilterRow property
3. Yes by setting the SetFilter method
4. none of the above

✅ Correct Answer: 2

Which method is used to retrieve the single value?

1. ExecuteScalar
2. ExecuteReader
3. ExecuteSingle
4. ExecuteNonQuery

✅ Correct Answer: 1

How to load XML in DataSet?

1. Using the ReadXml method
2. Using the GetXml method
3. Both of the above
4. none of the above

✅ Correct Answer: 1

Which method is used to fill DataSet?

1. Populate
2. Fill
3. Open
4. Close

✅ Correct Answer: 2

Which object is used to Fill DataSet using the query in SQL Server?

1. DataSet
2. DataTable
3. DataAdapter
4. none of the above

✅ Correct Answer: 3

Which object will be used to sort the data of DataSet?

1. DataView object
2. DataSet
3. DataTable
4. DataAdapter

✅ Correct Answer: 1

DataSet object is

1. disconnected
2. connected
3. Can't say
4. none of the above

✅ Correct Answer: 1

Which is Read-only forward-only recordset?

1. DataSet
2. DataReader
3. DataAdapter
4. DataCommand

✅ Correct Answer: 2

Which namespace is used to fetch data from Oracle database?

1. Sql.Data
2. Sql.Data.SqlClient
3. Sql.Data.OracleClient
4. none of the above

✅ Correct Answer: 3

Which ADO.net object is very fast to get data from the database?

1. SqlDataAdapter
2. DataSet
3. SqlDataReader
4. none of the above

✅ Correct Answer: 3

What is the default specified timeout period for "SQLCommand.CommandTimeout" property?

1. 30 seconds
2. 60 Seconds
3. 90 Seconds
4. 120 Seconds

✅ Correct Answer: 1

What is the Full form of ADO.Net?

1. Active Display Object
2. ActiveX Data Object
3. Asp Data Object
4. Active Dot Object

✅ Correct Answer: 2

Which Adapter is used to get the data from the Access Database?

1. DataAdapter
2. OledbDataAdapter
3. SQLDataAdapter
4. OracleDataAdapter

✅ Correct Answer: 2

Which ADO.Net class provides a connected environment?

1. DataSet
2. DataReader
3. Both
4. None of the mentioned

✅ Correct Answer: 2

When to use the OleDbConnection object?

1. When we want to connect to the Oracle database.
2. When we want to connect to the Sql server database
3. When we want to connect to Office Access database
4. none of the above

✅ Correct Answer: 3

Which is the return type of the ExecuteScalar class?

1. System.Int32
2. object
3. Both
4. none of the above

✅ Correct Answer: 2

Which are command object methods?

1. ExecuteScalar
2. ExecuteNonQuery
3. ExecuteReader
4. All of the above

✅ Correct Answer: 4

Which of the following is the benefit of the ADO.Net?

1. Interoperability
2. Disconnected Data Access
3. Store Data in multiple tables
4. All of the above

✅ Correct Answer: 4

ADO.Net provides the ability to process and create an in-memory database which is called

1. DataSets
2. Views
3. Tables
4. Relations

✅ Correct Answer: 1

It is not required to open the connection when I am using DataAdapter.

1. True
2. False
3. all of the above
4. None of the mentioned

✅ Correct Answer: 1

Which CommandType is used to define the StoredProcedure?

1. Command.TableDirect
2. CommandType.StoredProcedure
3. CommandType.TableDirect
4. Command.Stored

✅ Correct Answer: 1

Which namespace is used to access the connection string from the Web.Config file?

1. Web.Configuration
2. Web.Config
3. System.Configuration
4. System.Web.Configuration

✅ Correct Answer: 3

SqlConnection object is used for?

1. MySql database
2. Oracle database
3. Microsoft SQL Server database
4. Access database

✅ Correct Answer: 3

Which method is suited best when we have aggregate values in the SELECT statement?

1. ExecuteScalar()
2. ExecuteNoQuery().
3. ExecuteReader()
4. None of the above

✅ Correct Answer: 1

On which object we set the properties to create a primary key for DataTable?

1. DataSet
2. DataTable
3. DataRelation
4. DataColumn

✅ Correct Answer: 1

Which of the following are the events of the DataTable object?

1. RowChanged
2. ColumnChanged
3. RowChanging
4. All of the above

✅ Correct Answer: 4

Which Data Provider gives the maximum performance when connected to SQL Server?

1. SqlClient Data Provider
2. OLEDB Data Provider
3. Oracle Data Provider
4. All of the above

✅ Correct Answer: 1

If we want that the command object should return XML data then which Command object will be used?

1. GetXMLData
2. GetXml
3. ExecuteXmlReader
4. none of the above

✅ Correct Answer: 3