42 Consulting services in the field of computers, computer networking, and computer information systems; technical writing services for others; computer consultation in the area of network protocol analysis, local area network and wide-area network analysis; custom design services for network protocol, local area network and wide-area network systems, and installation consulting services therefor; technical evaluations, namely, evaluations of computers, computer networks, computer systems, and computer products and services in the field of computer networking, network protocol, and local and wide-area networks