Residential and business networks use many of the same underlying technologies.
These match typical home web connection designs.
As businesses grow, their online grid layouts expand to increasingly larger numbers of LANs.

Getty Images
Corporations based in more than one location set up internal connectivity between their office buildings.
Companies enable their local networks forWi-Fior wireless access.
However, larger businesses often wire their office buildings with high-speedEthernetcabling for greater internet capacity and performance.

Some install internet content filtering technology to block access to certain websites or domains.
Somehome online grid routersalso support internet content filtering features through an administration screen.
Corporations tend to deploy more powerful and expensive software solutions.
This volume is from transactions on company websites, email, and other data published externally.
Business internet plans allow higher upload rates for this reason.
Intranets and Extranets
Companies set up internal web servers to share private business information with employees.
They may also deploy internal email,instant messaging, and other private communication systems.
Together these systems make a businessintranet.
Advanced business networks also allow certain controlled data to be shared between companies.
Sometimes called extranets or business-to-businessnetworks, these communication systems involve remote access methods or login-protected websites.
Business connection Security
Companies possess valuable private data, makingnetwork securitya priority.
Security-conscious businesses usually take additional measures to protect their networks beyond what people do for their home networks.
These tools require users to authenticate by entering passwords that are checked against a web link directory.
Password Management
Company employees can make bad choices in their use ofpasswords.
For example, they may use easily hacked names likepassword1andwelcome.
Guest Networks
Administrators sometimes set upguest networksfor visitors to use.