What is WAN?

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What is a Wide Area Network (WAN)?
As described above, wide area networks are a form of telecommunication networks that can connect devices from different locations and around the world. WANs are the largest and most extensive computer networks available today.

These networks are often created by service providers who then lease their WANs to businesses, schools, governments, or ordinary users. These customers can use the network to relay and store data or communicate with other users, regardless of their location, as long as they have access to the global network. Access can be provided over a variety of channels such as virtual private networks (VPNs) or wireless lines, cellular networks, or Internet access.

The Systems Analyst will evaluate the company’s current computer systems and will suggest cost-effective changes to increase productivity.

For international organizations, global networks enable them to carry out their basic day-to-day functions without delay. Employees from anywhere can use the WAN to exchange data, communicate with colleagues, or simply stay connected to a large data resource center for the organization. Certified Networking Professionals help organizations maintain their internal WAN as well as other critical IT infrastructure and maintain cybersecurity .