No matter the size of the business, technology plays a critical role in its financial success. At the most basic level, companies have to deal with desktop and laptop computers for all their employees, e-mail, access to the Internet, Blackberries, and other kinds of on-site and remote devices.

Add networking issues like viruses, spam and bandwidth utilization, and suddenly, this effort becomes a major challenge to anyone operating a small or mid-sized business (SMBs) with limited resources and a limited budget.

SMBs can learn from the Fortune 500 when it comes to letting someone else manage their technology infrastructure. What do large companies know about managed services that smaller companies don't?