Posts Tagged ‘70-320’

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What is Trace.axd?

October 27th, 2009

Trace.axd is an Http Handler that can be used to view the trace details for an application. This file resides in the application’s root directory. A request to this file through a browser displays the trace log of the last n requests in time-order, where n is an integer determined by the value set by requestLimit=”[n]” in the application’s configuration file.

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Posted in MCAD, MCDBA, MCP, MCSA 2000 to 2003, MCSA to MCSE-2003

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What is the ExecuteNonQuery method?

September 21st, 2009

The ExecuteNonQuery method of the SqlCommand class is used to execute commands that change a database. These commands include the Transact-SQL INSERT, UPDATE, DELETE, and SET statements. The method acts directly on a database connection and does not require a data set. It returns an integer that indicates the number of rows affected by the execution of a command. This method can also be used to perform catalog operations, such as querying the structure of a database or creating database objects.

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Posted in MCAD, MCDBA, MCP, MCSA 2000 to 2003, MCSA to MCSE-2003

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What is the MessageName property?

September 21st, 2009

The MessageName property of the WebMethod attribute is used to give an alias name to an XML Web service method. It is generally used to uniquely identify overloaded Web methods. By default, the MessageName property for a Web method is set to the name of the method. However, if an XML Web service contains two or more Web methods with the same name, individual Web methods are uniquely identified by setting MessageName to a name that is unique within that XML Web service. The SOAP message uses the name, which is used in the MessageName property for a method as the method name instead of the actual method name.

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Posted in MCAD, MCDBA, MCP

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What is the WriteXml(string, XmlWriteMode) method?

September 21st, 2009

Following is the syntax for the WriteXml(string, XmlWriteMode) method of the DataSet class:

datasetobjectname.WriteXml(filename, mode);

where, datasetobjectname specifies the name of the DataSet object, filename specifies the name of the file, including the path, to which to write data, and mode specifies an XmlWriteMode value. Following are the values that can be used for XmlWriteMode:

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Posted in MCAD, MCDBA, MCP, MCSA 2000 to 2003, MCSA to MCSE-2003

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What is the CreateEventSource method of the EventLog class?

September 21st, 2009

The CreateEventSource method of the EventLog class establishes an application as a valid event source for writing event information to a particular event log on a computer. The event log used to write entries can be the event log available by default on a computer or a custom event log. This method can also be used to create a custom event log on a computer.

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Posted in MCAD, MCDBA, MCP, MCSA 2000 to 2003, MCSA to MCSE-2003

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What is SqlDataAdapter?

September 1st, 2009

SqlDataAdapter is a class used to represent a set of data commands and a database connection that are used to fill a DataSet and update a SQL Server database. It is used to retrieve and save data between a DataSet and a data source. The SqlDataAdapter class is used in conjunction with the SqlConnection and SqlCommand classes to enhance the performance while connecting to a SQL Server database.

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Posted in MCAD, MCDBA, MCP, MCSA 2000 to 2003, MCSA to MCSE-2003

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What is Sn.exe?

August 31st, 2009

Strong Name (Sn.exe) is a tool used to sign assemblies with strong names. It also provides signature generation, signature verification, and key management. Following is the syntax for using Sn.exe:

sn [options [parameters]]

where, the term options specifies the options to be used, and parameters specifies the parameters used with options. Following are the options that are commonly used with Sn.exe:

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Posted in MCAD, MCDBA, MCP, MCSA 2000 to 2003, MCSA to MCSE-2003

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What is Microsoft .NET Framework?

August 31st, 2009

Microsoft .NET Framework is a computing platform for building applications using .NET. It simplifies application development in a distributed environment. The .NET Framework provides an object-oriented programming model that enables developers to build all types of applications, such as Windows-based applications, Web services etc.

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Posted in MCAD, MCDBA, MCP, MCSA 2000 to 2003, MCSA to MCSE-2003

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What is native compilation?

August 31st, 2009

Native compilation is a process of pre-compiling assemblies in processor-specific machine code. It is done using the Native Image Generator (Ngen.exe) tool.

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Posted in MCAD, MCDBA, MCP, MCSA 2000 to 2003, MCSA to MCSE-2003

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What are server-activated objects?

August 31st, 2009

Server-activated objects (SAOs) are remote objects whose lifetime is controlled by the server. These objects can be activated as SingleCall or Singleton objects. A SingleCall object is created for each client request. A Singleton object is created once on the server and shared by all clients.

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