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Logical N-Tier design

Posted By :Sasi Prabhu     Posted Date :October 31, 2011    Points :40   Category :Silverlight 
?? Presentation Layer
? Silverlight Controls
? Silverlight Toolkit
?? Business Logic Layer
? ASMX Web Services
? WCF
? WCF RIA Services
?? Data Access Layer
? ADO.NET, Entity Framework
? LINQ to SQL
? ADO.NET Data Services
?? Data Storage Layer
? SQL Server
? Oracle
? MySQL
? DB2

You can also find related Interview Question to Logical N-Tier design  below: 

Physical N-Tier design

  

??Presentation Tier

?? Business Logic Tier

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How to decide on the design consideration to take a Datagrid, datalist or repeater ?

  
Many make a blind choice of choosing datagrid directly, but that's not the right way.

Datagrid provides ability to allow the end-user to sort, page, and edit its data. But it comes at a cost of speed. Second the display format is simple that is in row and columns. Real life scenarios can be more demanding that

With its templates, the DataList provides more control over the look and feel of the displayed data than the DataGrid.

It offers better performance than datagrid Repeater control allows for complete and total control. With the Repeater, the only HTML emitted are the values of the databinding statements in the templates along with the HTML markup specified in the templates-no "extra" HTML is emitted, as with the DataGrid and DataList. By requiring the developer to specify the complete generated HTML markup, the Repeater often requires the longest development time. But repeater does not provide editing features like datagrid so everything has to be coded by programmer. However, the Repeater does boast the best performance of the three data Web controls. Repeater is fastest followed by Datalist and finally datagrid. (More...)

Which design pattern should have private or protected constructor?

  
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What is logical link control?

  
It one of two sublayers of the data link layer of OSI reference model, as defined by the IEEE 802 standard.

This sublayer is responsible for maintaining the link between
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What is Object-oriented analysis and design ?

  
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IEEE 802.3 Logical relationship with OSI Reference Model?

  
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How can we retrive all logical drives of a machine?

  
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Which of the following methods is used to collect and interpret data from end users to design an application. ?

  
1, Coherence
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Real software is developing a speech-based user interface for blind people. However, speech based interface are difficult to design and time given by the client is short. To develop a functional interface without any errors, the company wants to first evaluate the prototype. They used the storyboard technique to demonstrate the functionality of the application. However, this technique was unable to demonstrate the interactive feature of the application. Analyze and provide solution for the above scenario?

  
1, The design team of Real software should have used the Sketching technique because storyboard technique would only provide the flow and features of the interface.

2, The design team of Real software should have used the Horizontal Prototyping because storyboard technique would only provide the flow of the interface.

3, The design team of Real software should have used the Wizard of Oz technique because storyboard technique would only provide the flow and features of the interface

4, The design team of Real software should have used the Vertical Prototyping because storyboard technique would only provide the flow of the interface.


Answer : 3 (More...)

Which of the following methods is used to collect and interpret data from end users to design an application?

  
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Answer : 1
(More...)

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