42 providing multiple user access to a global information network for the transfer and dissemination of a wide range of information; designing and monitoring computer network systems for others; the design, development, and up-grading of computer software for others; the design, implementation, and monitoring of computer network security systems for others; computer consultation services; computer network integration services; research, development, and consulting services in data networking, and information sciences; telecommunications consulting services; consulting and testing services in the fields of structural and architectural acoustics, noise control, and vibration control; research, development, and consulting services in the fields of distributed computing, speech and language processing, and education technology; scientific research services; engineering services