Wide Area Networks eliminate the need to buy servers or emails for each office since these resources can be compiled into one main location that can be accessed by the whole company.
Advantages of Wide-Area Networks (WANs)
Centralizes IT infrastructure
WANs allow users to transmit and share sensitive data without sending it over the internet. A WAN can also encrypt data before you send it, adding an additional layer of security.
WANs allow the ability to share data throughout all the offices on the network through one server. Enabling data to be synchronized in real time.
WANs can cut costs in a variety of different ways by simplifying operations, eliminating the need for ISDNs, and administrative costs. They also allow an organization to monitor the activity of subordinates online and reduce your travel charge by easily communicating with other branches in the company.