Final answer:
The Network layer is also referred to as Layer 3 of the OSI model. It establishes connections between devices on different networks and determines the best path for data to travel.
Step-by-step explanation:
Layer 3 of the OSI model is referred to as the Network layer. It is responsible for establishing connections between devices on different networks and determining the best path for data to travel. The Network layer uses logical addresses, such as IP addresses, to identify devices and route data. This layer is where routing protocols, such as IP or ICMP, operate.