Entering the IT field? Learn the theory, principles, technologies, and operations of computer networking: purpose and function of networks; network design, topology, and media; the OSI Model; network architectures; planning and implementing protocols including TCP/IP; network services including DNS, DHCP, and Active Directory; network security including authentication, permissions, encryption, firewalls, and fault tolerance; network administration; internetworking using routers and switches; and network analysis, monitoring, and optimization.
