Cbt Nuggets Exam-Pack microsoft 70-536

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Cbt Nuggets Exam-Pack 70-536: .NET 2.0 Application Development Foundation

Microsoft’s .NET 2.0 is a huge step forward in programming environments — it’s full of innovations

that make your life as a developer easier than ever before. One of the biggest benefits is that you

can get straight to coding features and functionality — all the “plumbing” and groundwork you

used to have to do first is no longer required. And that’s just the beginning.
In Exam-Pack 70-536: .NET 2.0 Application Development Foundation, instructor Garth Schulte

walks you through the features and functionalities of .NET 2.0, using Visual Basic 2005. This

series will give you a huge jump-start on developing applications in Visual Basic, on the .NET 2.0

platform.

On the job skills for VB.NET plus exam prep for MCTS exam

Exam-Pack 70-536: .NET 2.0 Application Development Foundation gives you real world skills you

can put to use right away developing applications in Visual Basic, on the .NET 2.0 framework.

Plus it maps to the exam objectives for Microsoft MCTS exam 70-536, to help you prepare for

certification.

Prerequisites

A basic understanding of computers, such as A+ certification or equivalent knowledge is

recommended before viewing this training.

Exam-Pack 70-536: .NET 2.0 Application Development Foundation contains:

- Introduction to Visual Studio 2005, Visual Basic 2005 and .NET 2.0
- Visual Basic 2005 Language Enhancements
- Managing Data with Variables, Types and Collections
- Object Oriented Programming Primer
- Creating and Using Generics
- Manipulating Text
- Implementing I/O Functionality
- Implementing Serialization
- Implementing Threading
- Handling Exceptions
- Integrating Diagnostics
- Data Access with ADO.NET
- Working with Assemblies
- Working with Reflection
- Interoperating with Legacy Code
- Building Windows Services
- Application, User and Data Security
- Using .NET Mail
- Deploying Applications
- Sample Application Overview - GoogleIT!
QUESTION 1
You work as the Web developer at Certkiller .com. You create a new ASP.NET application named
Certkiller App14. Certkiller App14 is configured to display data that is stored in a central database
named Certkiller DB1.
You must ensure that users can read, modify, and create and delete data records in Certkiller App14.
All data modifications must be saved to Certkiller DB1. To accommodate this requirement, you use a
number of ADO.NET objects, and you use classes from the System.Data and System.Data.OleDb
namespaces.
You have already written the code to connect to Certkiller DB1. You must now implement the code
which will enable users to read, modify, and create and delete data records in Certkiller App14; and
save all changes to Certkiller DB1.
Choose the four actions which you should perform to accomplish your task. Each correct answer
presents only part of the complete solution.
A. Create an OleDbDataAdapter object and set the SelectCommand property.
B. Create an OleDbCommand object and use the ExecuteScalar method.
C. Create a DataTable object as container for your data.

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D. Create a DataSet object as a container for your data.
E. Call the DataAdapter.Fill method to fill the DataSet object.
F. Call the DataAdapter.Update method to fill the DataSet object.
G. Call the DataAdapter.Update method to save changes to the Certkiller DB1.
H. Call the DataSet.AcceptChanges method to save changes to the Certkiller DB1
Answer: A, D, E, G
Explanation:
A: First we need to create a DataAdapter, or more specifically an OleDbDataAdapter, object in order to
access the data source. We use the SelectCommand property to define an appropriate SQL command.
D: The data will be stored in a DataSet.
E: We must populate the DataSet with the DataAdapter.Fill method.
G: We make updates to the DataSet and then store these changes in the database by the
DataAdapter.Update method. The Update method of the DataAdapter is called to resolve changes
from a DataSet back to the data source.
Reference:
.NET Framework Developer’s Guide, Updating the Database with a DataAdapter and the DataSet
Incorrect Answers
B: The ExecuteScalar method returns a single scalar value.
C: A DataTable object is not called for. DataTables are optional.
F: We use the fill, not the update method to populate the DataSet.
H: The DataSet.AcceptChanges only affects the DataSet. However, we save the changes back to the
data source.
QUESTION 2
You work as the Web developer at Certkiller .com. You create a new ASP.NET application named
Certkiller App10. You want to configure Certkiller App10 to call an XML Web service, which will
return an ADO.NET DataSet object that contains sales information.
What should you do next to ensure that the XML Web service is available to Certkiller App10?
A. Access the .NET tab of the Reference dialog box and then select System.Web.Services.dll.
B. Access the Web References dialog box and then specify the address of the XML Web service.
C. Create a using statement for your Global.asax.cs file, and then add the address of the XML Web
service.
D. Set an event handler in the Global.asax.cs file to import the .wsdl and .disco files which are
connected to the XML Web service.
Answer: B
Explanation: Web references differ from traditional references and components in that they refer to XML
Web services published on either a local intranet or the Internet.
Procedure to add a Web reference to a project:
In Solution Explorer, select a project that supports adding Web references.
On the Project menu, choose Add Web Reference.
In the Add Web Reference dialog box, type the URL for the XML Web service in the Address text box,

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Verify that the items in the Available References box are the items you want to reference in your project,
and then choose Add Reference.
In Solution Explorer, expand the Web References folder to note the namespace for the Web reference
classes that are available to the items in your project.
Reference: Visual Studio, Adding and Removing Web References
QUESTION 3
You work as the Web developer at Certkiller .com. You create a new ASP.NET application named
Certkiller App12. You will be configuring Certkiller App12 to call an XML Web service run by Test
Solutions, which will return an ADO.NET DataSet object that contains customer marketing
information.
You want to merge this DataSet object into a DataSet object that contains a list of customers. You
start your configuration by setting testSolutions as the name of the DataSet object from Test
Solutions. You then set customerInfo as the name of the DataSet object containing customer
information. Once the merge has occurred, customerInfo must contain customer marketing
information in testSolutions.
The tables used by each DataSet object have identical names and primary keys, and the table’s
columns also have the same names and data types. However, there is a table in testSolutions that
contains additional columns which must not be added to customerInfo. For all rows in tables of
customerInfo that have pending changes, you want to preserve the current values of these rows when
the merger takes place.
Choose the code which you should use to merge testSolutions into customerInfo.
A. customerInfo.Merge (testSolutions, true,
MissingSchemaAction.Ignore)
B. customerInfo.Merge (testSolutions, true,
MissingSchemaAction.AddWithKey)
C. testSolutions.Merge (customerInfo, true,
MissingSchemaAction.Ignore)
D. testSolutions.Merge (customerInfo, true, MissingSchemaAction.Add)
Answer: A
Explanation: The DataSet.Merge (DataTable, Boolean, MissingSchemaAction) method merges this
DataTable with a specified DataTable preserving changes according to the specified argument, and handling
an incompatible schema according to the specified argument.
As we want to merge the DataSets into the testSolutions DataSet we should apply the merge method on
testSolutions.
The Ignore MissingSchemaAction ignores the extra columns. This meets the requirement not to add the
extra columns from the table in testSolutions that contains additional columns.
Reference: .NET Framework Class Library, DataSet.Merge Method (DataTable, Boolean,
MissingSchemaAction) [Visual Basic]
.NET Framework Class Library, MissingSchemaAction Enumeration [Visual Basic]
Incorrect Answers
B: The AddWithKey MissingSchemaAction adds the necessary columns and primary key information
to complete the schema. However, we do not want to add any extra columns.

Actualtests.org - The Power of Knowing
C, D: As we want to merge the DataSets into the customerInfo DataSet we should apply the merge method
on customerInfo, not on testSolutions.

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