IT infrastructure

Information technology infrastructure is defined broadly as a set of information technology (IT) components that are the foundation of an IT service; typically physical components (computer and networking hardware and facilities), but also various software and network components.

According to the ITIL Foundation Course Glossary, IT Infrastructure can also be termed as “All of the hardware, software, networks, facilities, etc., that are required to develop, test, deliver, monitor, control or support IT services." IT Infrastructure hardware includes mainframe computers, end-user devices like personal computers (PCs), laptops and tablets, and Networking hardware like firewalls and routers. The software components include operating systems (OS), database management systems (DBMS), and virtualization software.

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