computer network connectivity hardware and software

maintenance and/or repair of computer network connectivity hardware

manufacture of computer network connectivity hardware to the order and specification of others

training in the use of computer network connectivity hardware and software

computer software design in the field of computer network connectivity software and hardware, and technical support in the field of computer network connectivity software and hardware, namely, telephone technical advice provided to purchasers and end-users of computer hardware and software, writing of computer connectivity software for others and maintenance of computer network connectivity software