Networking and telecommunications technologies, along with computer hardware, software, data management technology, and the people required to run and manage them, constitute an organization's:a. data management environment. b. networked environment. c. IT infrastructure. d. information system

Option d  Information system

Explanation:

Information system is a system used by an organization to organize and analyze data. The main function of the information system is to generate useful information from the organized data to drive for decision making in an organization. An information system can includes components such as computer hardware, software, network and also the human resources required to manage and implement the system. All these components work together to form a functional information system for an organization.

answer; its the top layer;