CBT Nuggets Exam Pack 70-528 NET 2.0 Web Based Client Development
- Thursday, June 12, 2008, 3:18
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Create full-featured dynamic web sites from scratch using Visual Studio, From video one, you’ll be creating a web site featuring dynamic content, secured access, custom widgets, and tons of other cool features.
You’ll learn to use the upgraded functionality in Visual Studio 2005 – including ASP.NET 2.0, the local Visual Studio web server (separate from IIS), SQL Server 2005 databases, ADO.NET 2.0, and more.
In Exam-Pack 70-528: Microsoft .NET Framework 2.0 – Web-Based Client Development, instructor Garth Schulte dives in and shows you how to do web development in Visual Studio 2005, using Visual Basic and the .NET 2.0 framework.
Video by video, you’ll learn practical development skills you can use to create web applications in Visual Basic. Even if you have very little experience with Visual Studio and Visual Basic, you’ll be able to jump in and build fully-functional web sites – and you’ll get better with each video.
Garth walks you through and shows you how to do it – giving you advice on how to get up and running quickly, then how to add the features you need, plus the ones you want that will make your web sites shine. Whether you’re going for the certification or just need to get up to speed quick on developing web applications on the .NET 2.0 framework, these videos will give you what you need.
QUESTION 1
You work as the Web developer at Certkiller .com. You are writing code for an ASP.NET page. Your
page holds a DataGrid control and a Button control. The DataGrid control shows the prices of
resources purchased by Certkiller .com, and the Button control is used to refresh the information
displayed within the DataGrid control.
Currently, the DataGrid control is repopulated whenever the page is displayed. All data being viewed
is accessed via a DataView object within the Session object.
What should you do next to ensure the fastest possible load time for the page?
A. Enable the DataSource property.
Call the DataBind method of the DataGrid control in the Click event handler for the Button control.
B. Enable the DataSource property.
Call the DataBind method of the DataGrid control in the Start event handler for the Session object.
C. Update the EnableViewState property of the DataGrid control to false.
D. Update the EnableViewState property of the DataGrid control to true.
Answer: C
Explanation: There are times when it is appropriate to disable view state, particularly to improve
application performance. As in this scenario, where we are loading a database request into a server control,
set this property to false. If you do not, processor time will be wasted loading view state into the server
control that will only be overridden by the database query.
Reference: .NET Framework Class Library, Control.EnableViewState Property [Visual Basic]
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Incorrect Answers
A, B, D: We disable the ViewState to improve performance. ViewState is enabled by default.
QUESTION 2
You work as the Web developer at Certkiller .com. You are writing code for an ASP.NET page.
Your page holds a CheckBoxList control. The CheckBoxList control contains various destinations,
and is associated with a database that stores all destinations. Each destination is rated based on
attractiveness and previous customer feedback.
You plan to change the page so that destinations are listed based on the ratings. You define your list
and set three columns. The higher rated destinations must be listed first, with the poorly rated
destinations must be listed last. All higher rated destinations must be exhibited on the top row of the
check box list at run time.
Choose the property setting which you should use for the CheckBoxList control.
A. Change the RepeatDirection property to Vertical.
B. Change the RepeatDirection property to Horizontal.
C. Change the RepeatLayout property to Flow.
D. Change the RepeatLayout property to Table.
Answer: B
Explanation: The DataList.RepeatDirection property is used to get or select whether the DataList control
displays vertically or horizontally. If this property is set to RepeatDirection.Horizontal, the items in the list
are displayed in rows loaded from left to right, then top to bottom, until all items are rendered.
Reference:
.NET Framework Class Library, DataList.RepeatDirection Property [Visual Basic]
.NET Framework Class Library, DataList.RepeatLayout Property [Visual Basic]
Incorrect Answers
A: If the DataList.RepeatDirection property is set to RepeatDirection.Vertical, the items in the list are
displayed in columns loaded from top to bottom, then left to right, until all items are rendered.
C, D: DataList.RepeatLayout Property gets or sets whether the control is displayed in a table or flow layout.
It does not affect the order in which the items are displayed.
QUESTION 3
You work as the Web developer at Certkiller .com. You are writing code for an ASP.NET page which
will be used to pass vouchers for various gyms to users. A user must first specify a country and then
choose a city from a list of cities in their designated country. After this, the names and street addresses
of gyms in their city will be shown to the user.
The list of countries, cities, and gym names and addresses are stored in a database table. You want to
reduce the time it takes to retrieve and display the list of gym names after a user chooses the country
and city.
What should you do next?
A. Change the connection string to add the packet size property and set its values to 8192.
B. Add this directive to your page:
OutputCache VaryByParam=”city”
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C. Add this directive to your page:
OutputCache VaryByControl=”country;city”
D. Change the connection string to maintain your database’s connection pool as small as possible.
Answer: B
Explanation: You can vary user control output to the cache by specifying the user control name and the
parameter. We use the VaryByParam attribute of the @ OutputCache
Reference: .NET Framework Developer’s Guide, Caching Multiple Versions of a User Control, Based on
Parameters [Visual Basic]
Incorrect Answers
A: The Packet Size property of the Connection string is the size in bytes of the network packets used to
communicate with an instance of data provider. It is not an optimal property to change to optimize
data retrieval.
C: The company database does not seem to include a region column.
D: If we keep the connection pool small we would allow less simulation connections. However, this
would not minimize the required to retrieve and display the data.
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Could someone please reload the cbt-nuggets-intro-to-xml-and-programming-using-the-microsoftnet. Only the 1st file is available, the rest have been deleted. Many thanks, NangTinh
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