Handles the physical parts of sending and receiving data. Data can be sent via wireless networks, Ethernet cable, network interface cards $($NIC$),$ etc.

Handles the physical parts of sending and receiving data. Data can be sent via wireless networks, Ethernet cable, network interface cards $($NIC$),$ etc. drop zone empty.

Controls the movement of packets throughout the network

Controls the movement of packets throughout the network drop zone empty.

Divides data into packets and acknowledges the packets have been received

Divides data into packets and acknowledges the packets have been received drop zone empty.

The group of applications that require network communication and are used by people to facilitate