They create systems for automobiles, robotics, aircraft, or power generation for an entire city. Engineers are required to be licensed, which can be achieved by completing a bachelor's or master's degree in electrical engineering and taking an examination.
In network addressing, the host address, or the host ID portion of an IP address, is the portion of the address used to identify hosts (any device requiring a Network Interface Card, such as a PC or networked printer) on the network.
The four IP address parts do NOT have to be divided equallyâit's not always the case that two parts make up the network ID and two address parts make up the host ID. The network ID may be one, two or three of the parts, leaving the last part for the host ID.