Training services in the fields of operation of networks, network system design, network operation, computer network maintenance, network testing, network protocols, network management, network engineering, computer use and operation, software design and development, operation of microprocessors and information technology; computerized on-line training and education services, namely, providing classes, seminars, tutorial sessions, conferences and workshops in the field of computer networks, computer network hardware and software and optimization thereof; educational services, namely, providing interactive tutorial sessions and courses in the nature of how-to guides, tips and techniques, expert guidance and advice, all relating to the purchase, use, care, maintenance, support, upgrading, updating and configuring of computer network related goods