Computer Science for IGCSE & O level - Data Transmission (Section 7 - No. 3)

What is the role of the 'application layer' in the OSI model?

Ensuring data transmission is reliable.

Providing the interface for applications to access network services.

Addressing devices on the network.

Converting data into a transmittable format.

The application layer (layer 7) is where applications interact with network services, such as email or web browsing.