Networks

Networks

1. VPN

   • Provides a contingency for business expansion with little disruption to computing services. It works by using the internet to securely connect remote digital devices together. It is therefore useful for businesses whose employees work remotely around the country. VPN is a relatively recent development, which replaces the need for dedicated communication links.

2. LAN

   • It provides connection between digital devices with in a small building or area. The organisation owns the communication links such as cabling. Used to network two computers and their internet connection with in an office.

3. PAN

   • Wirelessly connected network. Connect between an individuals digital device. Is used by individuals to sync their data across their devices for personal/business use.

4. WAN

   • The internet is a collection of WANs. A WAN uses telecommunications over a wider area than a LAN, which is able to connect digital devices around the globe. This enables businesses to connect with each other across wider geographical areas. To connect using a WAN a user usually pays a subscription to the telecommunications provider. WANs can now carry data.