The essential features of access switches, including high port density, PoE, Layer 3 capabilities, security, and QoS for efficient networks. To ensure that the switches can perform tasks of the core layer or collapsed core layer, the following parameters should be checked. As the core switches are responsible for routing and switching a high amount of data. An access switch is a network edge device that directly connects end-user hardware such as computers, IP phones, wireless access points, cameras, and IoT devices to the broader network. They enable communication, enforce traffic management, and play a vital role in maintaining efficient, secure data flow across an organization.