Which OSI model layer ensures that information sent from the Application layer of one system will be readable by the Application layer of another system?

Which OSI model layer ensures that information sent from the Application layer of one system will be readable by the Application layer of another system?

• A. Session.
• B. Network.
• C. Presentation.
• D. Transport.

Answer: (C)

The Presentation layer is responsible for ensuring that data is presented in a readable format for the Application layer of different systems. This layer acts as a translator between the Application layer and the lower layers of the OSI model. It takes the data that is generated by the Application layer and converts it into a format that can be understood by the receiving Application layer. For instance, the Presentation layer handles data encoding, data compression, and encryption/decryption to ensure that data sent from one application can be correctly interpreted by another, regardless of differences in data representation. This ensures compatibility and facilitates communication between varying systems and applications. In contrast, the other layers serve different roles: the Session layer manages sessions between applications, the Network layer handles routing and addressing, and the Transport layer is responsible for end-to-end communication and data integrity. While these layers are essential for data transmission, they do not focus on ensuring the readability of data between application layers.

The Presentation layer is responsible for ensuring that data is presented in a readable format for the Application layer of different systems. This layer acts as a translator between the Application layer and the lower layers of the OSI model. It takes the data that is generated by the Application layer and converts it into a format that can be understood by the receiving Application layer.

For instance, the Presentation layer handles data encoding, data compression, and encryption/decryption to ensure that data sent from one application can be correctly interpreted by another, regardless of differences in data representation. This ensures compatibility and facilitates communication between varying systems and applications.

In contrast, the other layers serve different roles: the Session layer manages sessions between applications, the Network layer handles routing and addressing, and the Transport layer is responsible for end-to-end communication and data integrity. While these layers are essential for data transmission, they do not focus on ensuring the readability of data between application layers.