A wide area network (WAN) connects local area networks (LANs) over a large geographic area, allowing users in different locations to communicate and share information. WANs use technologies like the internet, mobile broadband, and satellite communications to transmit data between LANs across countries or continents. They provide advantages like sharing software and resources globally but also have disadvantages such as security issues, high setup costs, and potential server downtime.

1. WAN
A wide area network is a large network Of information that is not tied to
a single location. WANs can facilitate communication, the sharing of
information and much more between devices from around the world
through a WAN provider.
A wide area network is a telecommunications network that extends over
a large geographic area for the primary purpose of computer
networking.

2. WAN is used for?
• WANs are used to connect LANs and other types of networks
together so that users and computers in one location can
communicate with users and computers in other locations.

3. Example
• A WAN can cover country, continent or even a whole world. Internet
connection is an example of WAN. Other examples of WAN are
mobile broadband connections such as 3G, 4G etc.

4. Advantages
• Cover large geographical area
• Sharing the Software and Resources
• Global business
• High bandwidth
• Disadvantages:
• Security problems
• Need antivirus software
• To setup cost is high
• Server down and disconnection issue

5. Point to point wan
• A point-to-point connection is one of the most common types of
WAN connection. PPP connections are used to connect LANs to
service provider WANs

6. Switched wan
• WAN Switching is a technology where computers are connected to
each other over a long distance, using telephone lines and satellite
communications utilizing serial transmission.