Which OSI layer is responsible for translating data formats to ensure readability on the receiving end?

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

Answer: (B)

Translating data formats so the receiving end can read the information is the job of the Presentation layer. This layer handles syntax and data representation, performing tasks like character encoding conversions, data encoding schemes, and, when needed, compression or encryption so that the data arrives in a form the application can understand. It sits between the Session layer, which manages dialogue and connections, and the Application layer, which uses the data directly. By converting and formatting data for the other end, the presentation layer ensures consistent interpretation regardless of how the data was originally encoded or compressed. The other layers don’t perform this translation: the Session layer manages connections, the Transport layer ensures delivery, and the Network layer handles routing. So, the Presentation layer is the one responsible for translating data formats for readability.