Description: Layer 7, also known as the application layer in the OSI model, is where communication protocols closest to the end user are managed. This layer is fundamental for interaction between applications and the network, as it handles data transmission through protocols such as HTTP and HTTPS. At this layer, critical functions such as authentication, authorization, and data presentation are performed, allowing web and mobile applications to effectively communicate with servers. Layer 7 is responsible for interpreting the data being sent and received, ensuring that information is presented in a comprehensible manner for the user. Additionally, various security measures, such as data encryption and protection against cyberattacks, are implemented here, making it a key point for network security. Layer 7 also plays a crucial role in optimizing application performance, allowing traffic management and data prioritization, resulting in a smoother and more efficient user experience.