installation, integration, maintainance, support, and configuration of computer and telecommunications network systems, namely, LANs, WANs, ELANs, global computer network systems, virtual private networks, enterprise networks, and other network systems, using active and passive network equipment and software, namely, routers, bridges, hubs, switches, multiplexers, repeaters, terminal servers, firewalls, and other network equipment

technical support services, namely; troubleshooting of computer and telecommunications network hardware and software problems; namely providing advice and engineering expertise on existing computer and telecommunications network hardware and software; namely providing advice and engineering expertise on possible changes or modications to existing computer and telecommunications network hardware and software; and namely providing advice and engineering expertise on the impact of new products and services on existing computer and telecommunications network hardware and software ; all via telephone, email, in person, and remote access devices. Design, integration, configuration, and installation of computer and telecommunications networks for others, namely, networks comprised of active and passive computer and telecommunications network equipment and software, routers, bridges, hubs, switches, multiplexers, repeaters, terminal servers, firewalls, and other network equipment. On-line, retail, and wholesale services for the sale and marketing of active and passive computer and telecommunications network equipment, software, and services, of others, namely, routers, bridges, hubs, switches, multiplexers, repeaters, terminal servers, firewalls, other network equipment and software, technical support services, design services, integration services, configuration services, and installation services