What is a presentation layer architecture?
The presentation tier is the user interface and communication layer of the application, where the end user interacts with the application. Its main purpose is to display information to and collect information from the user.
What is an N Tier architecture style?
An N-tier architecture divides an application into logical layers and physical tiers. Layers are a way to separate responsibilities and manage dependencies. Each layer has a specific responsibility. A higher layer can use services in a lower layer, but not the other way around.
What are 4 most common layers of layered or n tier architecture?
In this setup, you have the presentation or GUI tier, the data layer, and the application logic tier.
- The application logic tier.
- The data tier.
- The presentation tier.
What is the role of presentation layer?
The presentation layer is responsible for presenting the data to the application layer. This may include some form of format or character translation. The layer is also responsible for data encryption/decryption and for compression and decompression.
What is the purpose of the presentation layer?
This layer provides independence from data representation (e.g., encryption) by translating between application and network formats. The presentation layer transforms data into the form that the application accepts. This layer formats and encrypts data to be sent across a network.
How is the layered architecture different than the n-tier architecture?
N-Tier architecture usually has atleast three separate logical parts, each located on separate physical server. Layered architecture focuses on the grouping of related functionality within an application into distinct layers that are stacked vertically on top of each other.
Why do we need n-tier architecture?
The n-tier architecture is an industry-proven software architecture model. It is suitable to support enterprise level client-server applications by providing solutions to scalability, security, fault tolerance, reusability, and maintainability. It helps developers to create flexible and reusable applications.
What are the three main functions of presentation layer?
Some functions of the presentation layer include character-code translation, data conversion, data encryption and decryption, and data translation.