42 Telecommunications services, namely, providing fiber optic network services, namely, engineering and technology consultation services in the fields of communication network commissioning, namely, consultation regarding testing and procedures required by industry standards, operation, namely, consultation regarding compliance with industry standards, testing, monitoring, and customization; Technical support services in the nature of troubleshooting in the nature of diagnosing test equipment hardware and computer hardware, operating systems, virtual and physical host servers and local area network problems; Technical support services in the nature of troubleshooting problems involving computer software, mobile device software applications; Installation, repair, and maintenance of computer software and mobile device software applications; Consultation services in the technology fields of testing, troubleshooting, and measurement; Technical support services in the nature of troubleshooting problems with communications hardware and software, namely, diagnosing computer hardware and software problems