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.

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, care must be taken in the choice of LAN, since there may be substantial capital investment (compared to dial-up or leased charges for wide-area networks) for both purchase and maintenance. ... Second, the network management responsibility for a local network falls solely on the user”.

An Overview Of Computer Networks by Michael Russell
My second degree, or should I say my second go through inside the education system was in networking. I'm a certified Novell and Microsoft engineer, not that I'm all that excited about the fact. Networking is actually pretty mindless work once you learn it. ... The second type of network is a WAN or wide area network. ... The simplest network is a LAN or Local Area Network. ... This is where all the computers in the network are located in one place such as an office building. ... This is where all the computers in the network are connected to each other via a central computer.

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.

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...

PDA Pocket PCs by Kristy Annely
PDA stands for Personal Digital Assistant, a handheld device (small and light enough to be operated while it is held in the hands) that is typically used as a personal organizer. It has evolved into a more complicated computer-like gadget capable of performing a multiplicity of functions, such... They may also be integrated with cell phones to provide mobile communication and be used for accessing the Internet through technologies such as Wi-Fi, Wide-Area Networks (WANs), and Bluetooth. ... Most PDA devices are not equipped with a keyboard like palmtop computers.