Local Area Networks - Computer Networking by Michael Cooper
Local Area Networks also called LANs have been a major player in industrialization of computers. In the past 20 or so years the worlds industry has be invaded with new computer technology. It has made such an impact on the way we do business that it has become essential with an ever-growing need... First sharing files “ A LAN enables many user to share a single copy of a file stored on a central file server computer.”(Introduction to Networking 1992) Transferring files “A LAN enables you to copy files from machine to machine without having to exchange floppy disks.”(Understanding Data...

Wireless Networks by Elizabeth Morgan
The information age has been revolutionized not just by the power of computers to process data, but also by the power of communication amongst computers. This communication is responsible for the proliferation of computer networks. Sharing of information, sharing of resources (both software and... For example, a local area network can be set up using wireless network to get rid of the hassles of laying cables. ... Many schools and businesses have an architecture that is unsuited for a wired network.

CCNA Courses by Marcus Peterson
The curriculum for CCNA is comprehensive and includes four separate modules. The learning objectives of the CCNA certification exam, which is the first step in a Cisco career certification path, are covered in these modules. The curriculum places emphasis on the use of problem-solving techniques... The latter course, the ICND, focuses on using Cisco catalyst switches and Cisco routers connected in local-area networks (LANs) and wide-area networks (WANs) typically found at small to medium network sites.

Computer Network Management by Frank Hughes
Today it is almost inconceivable for a business not to have computers, whether it is a construction company or a high technology firm. When a business has more than one computer, they are almost always connected together in a local area network. These networks may be more or less advanced and... Companies invest so much (in terms of both money and time) in a local area networks because there are many advantages that a local area network brings to a business and how it is administered. ... Computer Network Management: implementation phase This phase involves the physical installation of...

Networking Terms: Educating the Client 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... • LAN (Local Area Network) – set of computer systems and peripheral devices connected for sharing resources and providing near instantaneous communications; today’s small business LANs are typically physically connected using Ethernet network adapters and Category 5 cabling; when extended to one or more...

WANS, LANS, WLANS and now WPANS (Wireless Personal Area Networks) by Eric Meyer
I know you know what a LAN (Local Area network) is and a WLAN (Wireless Local Area network) but do you know what a WPAN is…..? A WPAN is a personal area network which uses Bluetooth technology to connect everything from cell phones and ear pieces to key boards and desktops. ... WPAN’s (Wireless Personal area networks) are all around you and they will become more and more common. ... As Bluetooth technology gains popularity the issue of security will have to be addressed. ... Virus writers have already made cell phone proof of concept viruses and have actually infected a few phones.

Who Needs a Firewall? by Shanna Riley
You do! Read more to find out what a firewall is, how it can keep you safe, and how to get one. A Firewall is, actually, pretty much the same as its non-tech definition. A firewall, in building construction, is set up to contain or prevent fire from traveling from one side of the wall to the... Seven Design Avenue describes a firewall this way: A firewall is a safeguard utilized by many Local Area Networks (LANs) or Wide Area Networks (WANs) to protect the network from unauthorized access from the outside.

Network+ Certification Exam Tutorial: How And When To Use Virtual LANs (VLANs) by Chris Bryant
From your Network+ exam studies, you know that switches forward broadcasts, and that sounds great, but that's not always a good thing. A switch can have anywhere from 12 ports to 80 or more, and by default all hosts connected to that switch are going to be in the same broadcast domain. ... Physically, these hosts all reside on the same Local Area Network, but we can configure the switch to place them in different logical (virtual) LANs. ... Pretty soon, all these broadcasts have snowballed into a broadcast storm, which can take up most of a network's bandwidth and make normal network...

Good Reasons To Have A Wireless Network by Kenneth Snodin
Having a wireless network opens up many possibilities. Wireless networks provide an inexpensive and easy way to share a single Internet connection among several computers. This means you only need one modem, and you can add additional computers to the network just by plugging in a wireless card... If you are a game player, you’ve probably noticed that your games often have an option to play over a local area network or LAN. ... Because printers connected to one of the computers on a network are shared by all the computers on that network, you can write documents anywhere in your home,...

Networking Basics by Kashif Raza
A network is a group of computers, printers, and other devices that are connected together with cables. The sharing of data and resources. Information travels over the cables, allowing network users to exchange documents & data with each other, print to the same printers, and generally share any... Network Adapter: A network computer is connected to the network cabling with a network interface card, (also called a "NIC", "nick", or network adapter). ... LANs (Local Area Networks) A network is any collection of independent computers that communicate with one another over a shared network...