The design for a new urban planning is presented, which will be composed of at least thirty buildings, six residential complexes, three shopping centers, six schools, five outpatient centers and two clinics. It must be taken into account that two of the thirty buildings will be part of a transnational pharmaceutical corporation, without forgetting a university city. In the initial stage, the project is expected to have capacity for four thousand five hundred people. A process begins to propose a telecommunications network project, which includes residential telephone service, mobile telephony, Internet access and the interconnection with the main telecommunications trunk that allows access to the world and vice versa. In addition to this, the pharmaceutical corporation, in order to protect its information, must be connected to its private network. After reviewing the case described above, respond:

1. In relation to the case presented, considering fixed telephone networks, indicate what is the purpose of clinics using private switches and multiplexers?

2. Analyzing the case, explain what would be the advantages and disadvantages of implementing a connection through fiber optics to establish a private network for the transnational pharmaceutical company?

3. Considering components, configuration parameters, design and operation, categorize at least five pieces of equipment required to provide cell phone service within shopping centers, 1 Gbps Internet connection medium and internal/local/national digital telephony for buildings. of the transnational corporation.