Mobile communication is the basis for one of the fastest growing business areas at the beginning of the 21 st century. With IMT-2000 (International Mobile Telecommunications 2000), high-speed communication is possible anywhere, at any time, to any communication partner, with almost any device. As IMT-2000 comprises a set of different networking technologies, it provides a communication framework in which a subscriber may freely roam without having to be concerned about which network to use [1]. Hand-over procedures seamlessly integrate in-house networks, campus-based networks, metropolitan and wide area networks.
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This An Educators Guide to School Networks covers the WHAT IS A NETWORK? Chapter One: PROTOCOL Chapter Two: Introduction 15 Ethernet 16 Fast Ethernet 16 Gigabit Ethernet 17 LocalTalk 17 Token Ring 18 FDDI 19 ATM 19 Summary 20 Introduction 7 Local Area Network 8 Metropolitan Area Network 9 Wide Area Network 10 Advantages of a School Network 11 Disadvantages of a School Network 14 HARDWARE Chapter Three: CABLING Chapter Four: Introduction 31 Unshielded Twisted Pair (UTP)Cable 32 Shielded Twisted Pair (STP)Cable 35 Coaxial Cable 36 Fiber Optic Cable 38 Ethernet Cable Summary 40 Wireless LANs 41 Cable Installation Guidelines 42 Introduction 21 Servers 22 Workstations 23 Network Interface Cards 24 Hubs/Switches 26 Repeaters 27 Bridges 28 Routers 29 TOPOLOGY Chapter Five: SOFTWARE
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When the concept of a network without wires was first suggested more than two decades ago, it sparked the imagination of scientists, product vendors, and users around the globe eager for the convenience and flexibility of a free roaming conection. Unfortunately, as the variety of wireless solutions began to emerge, anticipation turned to disappointment.The first wave of solutions proved inadequate for the networking, portability, and security needs of a changing IT environment. While this has largely continued to be the case throughout the 1990s with most cell-based and office local area network (LAN)-based wireless technology deployments, great strides have been made specifically over the last two years to address the fundamental concerns impeding the full acceptance of wireless net- working in the mainstream of corporate IT departments and the small office.
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