what is two tier application? and what is three tier
application?and what is the basic difference? explain with
a example?
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Answer / anu
Two tier application will have 2 layers
Presentation Layer:i.e. Front end
Bussiness and Database Layer
Three Tier application has 3 layers
Presentation Layer:i.e. Front end
Bussiness Layer:Which contains all business logic
Database Layer:Where all data is stored.
Example:If any condition is given for a search to display
the data.
In 3tier application that condition will be recevied by
Bussiness layer:search is carried as per requirement and
message will be sent to databse to display the details.
| Is This Answer Correct ? | 2 Yes | 0 No |
Answer / rama
In two tier application only two tiers will be there one is
presentation layer and mixing of businesslayer and
dataacess layer .in three tier architecture every layer is
seperate.
| Is This Answer Correct ? | 0 Yes | 1 No |
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1 Answers GL Noble Denton, IBM,
Automation Testing 
