Answer / bala

Two tier architecture means:
Client server application. Client acts as Front End
and Server acts as Backend like databases.

Three tier Architecture Means:
Three tier architecure means N tier architecture like
Yahoo , gmail, and or Web Applications. Having Number of
Users or Customers or
Clients.

Answer / ratha.a

two tire architecture is a client server application.
client act as front end and srever acts as back end.
Business layer and data base layer.



THREE TIRE ARCHITECTURE is a web application.
Presentation
Business and
Data base

for ex Presentation-JSP
Business-Java and
Data base- SQL or db or oracle

Answer / devi guru prasad narkedamilli

Tire architecure is introduced because of the follwing
resons

1). To reduce the design complexity.
2).To make our system to withstand even the technology of
particular module is changed i.e for eg:Data base
3).To support the interpropability.

THREE TIRE ARCHITECTURE is a web application.
Presentation
Business and
Data base

If the business logic having more complexity then the
business logic may have more than one TIRE.

Answer / krishnan

Three Tier Means client,Server and more than one Business
Layer.Each Business layer performs one opertaions.For
Example yahoo, This have more business logic.It consist of
Login,Check the correct user etc

hi some body help me to know the difference between testing and quality control and quality analyst?

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Types of validation Testing?

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