42 Technical consultation in the field of computer needs assessment, computer systems design, computer software application requirements and customized computer software and hardware solutions; computer consultation in the field of data management; data warehousing; technical support services, namely, troubleshooting of telephone and data network computer hardware and software problems; design of data and communications networks for others; installation of computer software; data encryption services; computer services, namely, designing Internet-based and intranet-based computer software applications, creating web sites for others and designing interactive computer software applications; design of fiber and copper computer network cabling systems for voice, video, data systems and telephone systems