What is one of the core concepts in IT?

data integration

platform as a service

Open Systems Interconnect

infrastructure as a service

data integration

platform as a service

Open Systems Interconnect

infrastructure as a service

Explanation:

All of the above and concept in IT

Data integration

Explanation:

One of the core concepts in IT is data integration. Data integration refers to the process of combining data from various different sources into a single view. This allows the data to become easier to process, and therefore, more useful and actionable. For data integration to take place, it is necessary to have a network of data sources, a master server and clients.