Every device connected to a network must have a MAC address.

Devices within the same local network can communicate with each other using their IP addresses.

The maximum number of IPv4 addresses that can be assigned is 4.3 .

When a device communicates with the internet, its private IP address is translated to a IP address through a process called Network Address Translation (NAT).

A MAC address is a unique identifier for a .

A MAC address is a unique identifier assigned to a network .

An IPv4 address consists of octets.