A Three-Tier Architecture is a Client-Server Architecture in which any of the three tiers Can be upgraded or Replace Independently
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Presentation/Web
Presentation/Web
This tier is responsible for displaying information about the services available on the website. It operates at the top level and communicates with other tiers and the browser to send results
Application
Application
Its also known as the middle tier, logic tier, or business logic, this tier controls the application's functionality by performing detailed processing
Data
Data
This tier consists of database servers where information is stored and retrieved. The data in this tier is kept independent of application servers or business logic
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