a project request for proposals to provide on-site service, 7 * 4 spare parts response, every six months 1 inspection service, we can sell what level of maintenance services to match customer needs? (Multiple choice)
SmartNOS is a unified brand for improving services, what service products are included? (Multiple choice)
According to the requirements of the international GB 50174-2008 "Electronic Information System Computer Room Design Code" for the structure, the seismic fortification of the A-class computer room should not be less than two categories.
Which of the following products comes with warranty service that is not basic maintenance?