CompTIA Exam N10-008 Topic 1 Question 39 Discussion

A layer 2 switch is a device that forwards traffic based on MAC addresses within a single network segment or VLAN. A layer 2 switch is best suited for use at the access layer in a three-tier architecture system. The access layer is the layer that connects end devices such as computers, printers, and phones to the network. A layer 2 switch can provide fast and efficient switching for end devices without adding complexity or overhead to the network. Reference: https://www.comptia.org/training/books/network-n10-008-study-guide (page 139)