What is a Firewall ? by Benjamin Hargis
Simply put it acts as a barrier between your computer and the internet. To protect you from crackers, hackers and malware. If your running DSL or a cable modem you should employ a firewall, as having a direct connection to the Internet can make you a target to attack. ... Best of all it fits into almost any budget. ... I like this the best as it gives you the firewall administrator the most control. ... http://www.zonelabs.com/store/content/home.jsp For hardware firewalls there is: Cisco www.cisco.com There brand is called PIX firewall.

Get Your Business Ahead By Spending Less - Buy Refurbished Laptops Instead by M Johnson
Is your competition shooting straight at you? Get ahead by updating old equipment and buy refurbished laptops. If your competitors are blazing their guns and aiming right at your business then you have two choices: 1)Fall down and die 2)Climb to the top where the bullets cannot hit you! ... Simply uses a modem and you are off. ... DSL and cable internet is also possible. ... You can save even more. ... That is correct, refurbished laptops can be deducted from your overall business expense. ... Just a quick reminder that all your computer equipment needs are a tax write off.

What's a USB Hub? by Iggy Quazi
Since the mid 90's we have seen the birth and growth of a connective technology called Universal Serial Bus (USB). Originally designed to connect computers and telecoms equipment, it has slowly become the primary means of connecting a whole host of other devices and has made significant... If they are located at the back of your computer or in an awkward position, you can make your life so much easier by using a USB Hub that comes with a USB extension cable, or by buying a separate USB extension cable.

Networking Terms: Educating Your Clients by Joshua Feinberg
It is very important to educate your small business prospects and clients on key small business networking terms and buzzwords. After all, in order to "win them over", you need to be speaking the same language. In fact, you may even want to prepare a "cheat sheet", based on the below... • NIC (Network Interface Card) - a printed circuit board, adapter card or the underlying supporting chipset that snaps into the motherboard of a desktop PC, notebook or server and transmits and receives packets on a network; used to connect to networks including a local area network (LAN), wide area network...

Finding Your MAC Address On Wired And Wireless Network Cards by Darren Miller
The Answer To The Media Access Control Question Over the past few weeks I have received quite a few e-mails about Ethernet cards, both wired and wireless, and more specifically, about Media Access Control (MAC) addresses. I think the main reason I’ve received so many questions about Ethernet... Your cable/dsl router or cable modem has a valid IP address assigned to its “external” network interface. ... The DHCP server could be your wireless access point, cable/dsl router, cable modem, or a server on your network.

Computer Controlled LED Signs by Paula Jones
Most LED signs available today can be controlled by the operator. Computer Controlled LED signs are controlled by the operator. These are the most upcoming technology that is being spread all over the world in speed. Computer controlled LED signs use the LED technology stands for light emitting... Moreover, fiber optic cable, telephone modems, pagers and certain cellular phone technologies can also be utilized in computer controlled LED signs. ... Jayex Technology is successful in proving that Computer Controlled LED can be equipped and controlled easily and with no technical expertise.

Remote Access Programs by Josh Riverside
Remote Access Programs are one of the leading examples of the advancement of information technology. Their basic aim is to keep the offsite people linked to the office. In today’s scenario of tight schedules and tough competition, more and more entrepreneurs work outside the office premises. ... File transfer utilities, such as LapLink for Windows 95, are inexpensive, easy-to-use packages that allow local or remote users to move files between PCs via a modem or cable. ... Remote-node systems contain file transfer utilities that allow you to transfer files directly to and from any networked...

Do Computers Get Tired? by Bob Rankin
A Silver Bullet? Until recently, I would have dismissed the notion that electronic gunk can accumulate in a machine and cause it to act erratically. But a few months ago my high-speed Internet connection, which is normally rock solid, started getting flaky. ... I unplugged my cable modem, plugged it back in and voila... ... So you might be surprised to hear that when your computer, microwave, VCR or high-tech coffee pot isn't behaving, his best advice is "just unplug it." Totally Cosmic, Dude.In a fascinating article on electronics trouble shooting, Foutz talks about something called a...

Virtual Private Network Frequently Asked Questions by Aaron Adams
1. Why do I get disconnected after 4 hours of use? You will get disconnected because of the limited number of ports and the fact that 90% of all users do not need to be connected more than 4 hours, all units have been set to a 4-hour time limit. If you require more time, you should disconnect... This is accomplished by connecting the cable coming out of your DSL/Cable modem, directly into your network card or USB connector. ... Cable/DSL users: If you have a dial-up modem installed on your PC, try to test using a dialup connection.

Home Wireless Networks by Elizabeth Morgan
A home wireless network can be set up using wireless local area network (WLAN) devices. A wireless LAN has a wireless interface that enables wireless communication amongst the computers and peripheral devices that are a part of the LAN. A wireless LAN has limited range and is designed to be used... The primary WLAN standards include the IEEE-802.11 series and HiperLAN. ... The choice of frequency depends on whether microwave, spread spectrum, or infrared communication is being used. ... Unlike cellular networks with fixed frequencies, users in WLANs have to share frequencies, which...