42 Computer network design for others; Computer technical support services, namely, 24/7 service desk or help desk services for IT infrastructure, operating systems, database systems, and web applications; Cybersecurity services in the nature of restricting unauthorized access to computer systems; Design and development of wireless communication systems for transmission and reception of voice, data and video; Preparation, update, installation and maintenance of computer software; Technical consulting services in the fields of datacenter architecture, public and private cloud computing solutions, and evaluation and implementation of internet technology and services; Technical support services, namely, remote and on-site infrastructure management services for monitoring, administration and management of public and private cloud computing IT and application systems; Technical support services, namely, troubleshooting in the nature of diagnosing computer hardware and software problems