Network infrastructure refers to the interconnected system of hardware and software components that facilitate communication and data exchange within an organization or across multiple locations. It encompasses routers, switches, servers, cables, and other networking devices, as well as the protocols and technologies that govern their operation. A robust and scalable network infrastructure is essential for ensuring reliable connectivity, seamless data transfer, and efficient resource utilization, thereby supporting the smooth functioning of business operations and enabling the adoption of emerging technologies such as cloud computing, IoT (Internet of Things), and unified communications.