Access Layer Switches: Operating at the network's edge, access switches connect end-user devices like PCs, printers, IP phones, and wireless access points. They are characterized by high port density, cost-effectiveness, security features at the edge, and often PoE support. They feature superb performance, flexibility in port. The hierarchy Ethernet network is a three-layer integrated setup of networking devices. These networks are designed with three tiers that facilitate strategic installation, management, and maintenance, and so on.