Computer hardware and software, used alone or in combination, for interconnecting, establishing, managing, securing, monitoring, controlling, operating, and accessing local and wide area networks; computer hardware and software, used alone or in combination, for routing, switching, transmitting, processing, filtering, analyzing, securing, and storing data, video or voice traffic, packets, or other forms of communications; computer hardware and software, used alone or in combination, for providing security functionality for networks or electronic devices, such as providing network access and operation security, virtual local area networks,virtual private networks, and protection against network intrusion and viruses; computer hardware and software, used alone or in combination, for use in or with a computer network in the field of industrial control and data management; downloadable instructional materials, namely, manuals and guides in the fields of networking, telecommunications, network redundancy, and network security, and establishing, managing, and operating local and wide area networks

Consulting in the fields of computers, computer networking, and computer network security; security services for computer and information systems; technical support services, namely, troubleshooting of computer hardware and software for interconnecting, managing, securing, monitoring, controlling, operating, and accessing local and wide area networks; design, testing, engineering, research and advisory services relating to computers, computer networks, computer software, computer programming, and computer network security