служба сертифікації AD CS(A software service that issues certificates for a particular certification authority (CA). It provides customizable services for issuing and managing certificates for the enterprise. Certificates can be used to provide authentication support, including secure e-mail, Web-based authentication, and smart-card authentication)
корпорація типу C(An United States tax law designation given to any corporation that is a unique entity apart from and taxed separately from its owners)