Authentication and authorization are essential concepts in computer security, each serving a distinct purpose in controlling access to resources. To understand their differences, let's consider a real-life example:Imagine you're attending a conference at a prestigious venue. Before entering the conference hall, you must authenticate yourself by presenting your conference badge and photo identification to the security personnel. This authentication process verifies your identity and ensures that only registered attendees are granted access to the conference area.Once inside, you encounter different levels of authorization. For example, certain sessions or workshops may require additional authorization for entry. This authorization is based on your role or registration type. Attendees with VIP status may have access to exclusive sessions or areas, while others may be restricted to general sessions.Now, let's break down the differences between authentication and authorization in this scenario:Authentication:Authentication occurs at the entrance to the conference venue, where you present your conference badge and photo ID.The purpose of authentication is to verify your identity and confirm that you are a registered attendee.Without proper authentication, you would be denied entry to the conference hall.Authorization:Authorization takes place inside the conference hall, where different sessions and areas have varying levels of access control.Authorization determines which sessions you can attend based on your role or registration type.For example, VIP attendees may be authorized to enter exclusive sessions that other attendees cannot access.In summary, authentication verifies your identity, while authorization determines what resources or areas you can access based on your identity or attributes. In the conference example, authentication occurs at the entrance to the venue, while authorization controls access to different sessions and areas within the conference hall.