To master the complexity in networking, it is important to gain a broad background that includes five key aspects of networking. These five key aspects are;

Network applications, data communications, packet switching, internetworking with TCP/IP, additional networking concepts and technologies.

Network applications, federal regulations, hardware and software systems, network programming, and software development.

Federal regulations, high-speed Internet access, big data storage, wireless technologies and token ring technologies.

LAN, WAN, MAN, TCP/IP, software development and Internet programming.