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:: LAN Certification Programs

A local area network (LAN) is a computer network that interconnects computers within a limited area such as a residence, school, laboratory, university campus or office building.[1] By contrast, a wide area network (WAN) not only covers a larger geographic distance, but also generally involves leased telecommunication circuits.

Ethernet and Wi-Fi are the two most common technologies in use for local area networks. Historical technologies include ARCNET, Token ring, and AppleTalk.

Early Ethernet (10BASE-5 and 10BASE-2) used coaxial cable. Shielded twisted pair was used in IBM's Token Ring LAN implementation. In 1984, StarLAN showed the potential of simple unshielded twisted pair by using Cat3 cable—the same cable used for telephone systems. This led to the development of 10BASE-T (and its successors) and structured cabling which is still the basis of most commercial LANs today.

While optical fiber cable is common for links between network switches, use of fiber to the desktop is rare.

In a wireless LAN, users have unrestricted movement within the coverage area. Wireless networks have become popular in residences and small businesses, because of their ease of installation. Most wireless LANs use Wi-Fi as it is built into smartphones, tablet computers and laptops. Guests are often offered Internet access via a hotspot service.

At the higher network layers, protocols such as NetBEUI, IPX/SPX, AppleTalk and others were once common, but the Internet Protocol Suite (TCP/IP) has prevailed as a standard of choice.

LANs can maintain connections with other LANs via leased lines, leased services, or across the Internet using virtual private network technologies. Depending on how the connections are established and secured, and the distance involved, such linked LANs may also be classified as a metropolitan area network (MAN) or a wide area network (WAN).

Industry Description Full Program Listing

Code	Concentration	More Info
CA/IS	Microsoft Windows Professional Engineer (A+, Net+, MCP, MCSE)
School: Computer Career Institute at Johns Hopkins University Program: From PC basics and diagnostics forward to various levels of learning in Windows 2000, each program has been carefully designed to help the student gain the knowledge and skills to start to qualify for the various and prestigious industry certifications. Students will learn how to install and configure PC hardware such as disks, memory and network adapters, and to install operating systems such as Windows and DOS. :: Concentration: Information Systems :: Campus    ::  Location: Columbia, MD ::  more info

Code	Concentration	More Info
CA/IS	Microsoft Windows Professional Engineer with Exchange
School: Computer Career Institute at Johns Hopkins University Program: This takes Johns Hopkins' most comprehensive program, which teaches an entry-level individual the skills required for PC service and support as well as advanced skills in networking and Microsoft's Windows 2000 Operating System, and then adds specific training on MS Exchange. :: Concentration: Information Systems :: Campus    ::  Location: Columbia, MD ::  more info

Industry Description

The explosion of computers in the workplace means businesses now have multiple systems within their organization, often making it necessary for them to operate cooperatively off a local area network (LAN). Being certified in LAN technology is an excellent way for you to forge a new career path.

LAN certification programs start with the basics, teaching you fundamental network concepts important to understanding how and why systems work. From there, you advance to learning about the features and function of the hardware and software necessary for creating and maintaining a simple LAN. Once those skills are mastered, you can then move on to more complex processes, such as operating between multiple LANs and diagnosing system faults.

You don’t need to go to an expensive specialized school to learn any of this, either. A growing number of LAN certification programs are available online, specifically designed to give you high-quality, self-paced training that best fits in with your goals. These give you the luxury of managing classes around your busy schedule, without sacrificing the quality of your learning experience. Because of the nature of the coursework, LAN certification programs are especially well-suited for studying online.

Mastering the set-up, configuration, diagnosis and repair of LANs offers you the potential of going into any number of careers, whether as a support technician, an installer, or even an administrator. If this sort of path excites you, ask about that LAN certification program today.

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