... The foil prevents incoming electromagnetic waves from causing noise on data wires. It minimizes the outgoing radiated electromagnetic waves, which could cause noise in other devices. With this shielding the cable's transmission and interference characteristics support higher bandwidth over longer distances than UTP. Shielded twisted-pair needs to be grounded at both ends due to the metallic shielding materials and if ... eavesdropping. Fiber-optic cabling is a good medium for high-bandwidth, high-speed, long-distance data transmissions, because of its lower attenuation characteristics an...

• Word Count: 3252
• Approx Pages: 13
• Grade Level: Undergraduate

... The definition of broadband Broadband is defined as a transmission medium that can carry signals from multiple independent network carriers on a single coaxial or fibre optic cable, by establishing different bandwidth channels. This technology can support a wide range of frequencies and is used to transmit data, voice and video over long ... would be that it refers to any type of transmission technique that carries several data channels over a common wire. Examples of this technique are cable TV and DSL. They can carry voice transmissions and also data transmissions. 1.2 Types of broadba...

• Word Count: 4544
• Approx Pages: 18
• Grade Level: High School

... to a common private network and the Internet. This will increase productivity in companies' across the globe. Worldwide communication can be established between remote locations and main offices through phone lines, cable systems, satellite connections, and wireless technologies. The three phases in setting up a home network are: design, installation, and administration. In phase I, the design, system requirements are determined based on the ... are ready, wiring from each station to a central location must be installed (two cables per location are recommended). The central location shou...

• Word Count: 1752
• Approx Pages: 7
• Has Bibliography
• Grade Level: High School

... A computer network is a group of connected computers that allow the sharing of information and peripherals. The most basic network is made up of two computers connected by some kind of cable in order to exchange information more quickly and efficiently. A standalone computer is very useful to many businesses, but without a network, those businesses would have to spend twice the amount of ... computers, cables and other peripherals communicate with each other. The three basic types of network topologies are bus, ring, and star. A bus topology consists of computers connected along a singl...

• Word Count: 959
• Approx Pages: 4
• Grade Level: High School

... connections for telephones, fax machines and a wide variety of Internet-enabled devices. We also have optical networks that use high intensity laser light to transmit data over a really thin optical cable that goes underground, or underwater. Every network includes: 1. At least two computers: Often, as a network grows and more computers are added, one computer will act as a server, a central storage ... categories in UTP ranging from 1 to 5. For instance, while Ethernet can use UTP category 3 wiring, Fast Ethernet and Gigabit Ethernet require at least the higher-grade UTP category 5 wir...

• Word Count: 3669
• Approx Pages: 15

... more easily than other topologies, so many local carriers and metro network vendors are seriously considering them. Mesh networks also are proposed as the wireless broadband solution in locations where cable and DSL aren't available. Every home wireless node acts as a router, creating a mesh network with each of its neighbors. Such mesh networks provide excellent Internet access and could ... Currently, less than 10% of U.S. homes have a broadband connection. Statistics say that out of the approximate 10 million current broadband connections, roughly 7% are cable modems and 2.8% are DS...

• Word Count: 1185
• Approx Pages: 5
• Grade Level: High School

... versions of Ethernet called "Fast Ethernet" and "Gigabit Ethernet" support data rates of 100 Mb/s and 1 Gb/s (1000 Mb/s). An Ethernet LAN may use coaxial cable, special grades of twisted pair wiring, or fiber optic cable. "Bus" and "Star" wiring configurations are supported. Ethernet devices compete for access to the network using a protocol called Carrier Sense Multiple Access with Collision Detection (CSMA ... from the ring and a new token is transmitted. FDDI is an abbreviation for Fiber Distributed Data Interface. FDDI is a set of ANSI protocols for sending digital data over fiber o...

• Word Count: 686
• Approx Pages: 3
• Grade Level: High School

... more easily than other topologies, so many local carriers and metro network vendors are seriously considering them. Mesh networks also are proposed as the wireless broadband solution in locations where cable and DSL aren't available. Every home wireless node acts as a router, creating a mesh network with each of its neighbors. Such mesh networks provide excellent Internet access and could ... Currently, less than 10% of U.S. homes have a broadband connection. Statistics say that out of the approximate 10 million current broadband connections, roughly 7% are cable modems and 2.8% are DS...

• Word Count: 1202
• Approx Pages: 5
• Grade Level: High School

... this was expensive, fiber was laid as the backbone of the telecommunications network. The major cost with laying fiber optic cable is not the cable itself, but the physical deployment in terms of distance and geographical topography (ocean versus land) where the cable was laid. To accommodate future expansion of the telecommunications network, multiple fiber optic strands were installed because it did not ... cost much more to deploy multiple fiber optics relative to the cost of the fiber optic cable itself. They anticipated the growth of the telecommunications network for years to come...

• Word Count: 5577
• Approx Pages: 22
• Has Bibliography

... cables have allowed LAN technologies to connect devices tens of kilometers apart, while at the same time greatly improving the speed and reliability of WANs. Limitations of Ethernet A single shared cable can serve as the basis for a complete Ethernet network, which is what we discussed above. However, there are practical limits to the size of our Ethernet network in this case ... . A primary concern is the length of the shared cable. Electrical signals propagate along a cable very quickly, but they weaken as they travel, and electrical interference from neighbouring devices (fluorescent ...

• Word Count: 1998
• Approx Pages: 8

... table below shows estimates of bandwidth available in Australia's main urban centres. These estimates were developed for the National Bandwidth Inquiry and are regarded as conservative. Seven international fibre optic cable networks link Sydney via the east and west coast of Australia to the US, Europe and Asia. Sydney, a major Internet-Exchange Point and telecommunications hub, is serviced by deep sea ... underwater cables that link to a domestic network of high-speed metro and Intra-city fibre cables. The Southern Cross cable, which became operational in November 2000, has two landing...

• Word Count: 511
• Approx Pages: 2
• Grade Level: Undergraduate

... , and integration into small handheld devices can be complicated. Bluetooth is being marketed as a low-cost RF link that will replace the cable from the network adapter (Wireless Lan card ). The IEEE organization has recognized the need for wireless cable replacement technology and started the development of the 802.15 group that focuses on the Wireless Personal Area Networks (Wpan) this technology ... Area Network (WPAN) consisting of all the Bluetooth-enabled devices immediately surrounding a user, wherever that user may be located. Some common usage scenarios with Bluetooth is device ...

• Word Count: 442
• Approx Pages: 2
• Grade Level: Undergraduate

... network or implementing complex, work-intensive processes to provision the services they offer to their customers. The one I am going to focus primarily on in my paper is its Broadband Cable solution aspect, which provides service fulfillment, service assurance, and service billing based on the Cisco Internet OSS platform. The platform provides a "plug and play" architecture for easy integration of legacy ... and new applications. This reduces the cable operator's time to market, enabling a quicker capture of the higher revenues produced during early technology adoption. This OSS soluti...

• Word Count: 282
• Approx Pages: 1
• Grade Level: Undergraduate

... been tentative before the signing ceremony were kicked into high gear. AT&T entered into the satellite TV business, and NYNEX and Bell Atlantic conducted merger talks. The Act does allowed cable companies to provide local telephone service, a provision that overrides state and local regulations that have prevented CATV companies from getting into the local telephone business. Local exchange carriers (LECs) also ... -Bell telephone company in America."" In 1972 it again changed its name to United Telecommunications. "By the end of the 70's it had established one of the first fiber optic c...

• Word Count: 4161
• Approx Pages: 17
• Has Bibliography
• Grade Level: High School

... in a report given to the CEO on the 1st of each month. To check network connections and cables, a fluke cable tester will be used to test the physical connections, the NIC and also the volume and type of packets sent. These cable testers can also find problems in the network by just plugging it in, it will then search for open or ... , these are the obvious benefits of the solution. However, the hidden benefits lie in the ability to upgrade the network, no network structure has been assessed yet as a comparison between cable and wireless will be made and given to the CEO to decide. The m...

• Word Count: 1134
• Approx Pages: 5
• Has Bibliography

... but without the string. People can understand how it works with the string, but without the string they are confused. Basically, wireless networks use radio signals to accomplish what copper cable or fibber optic accomplishes in a wired network. The picture below is of a basic wireless LAN. It includes desktop PCs and Laptops as well as a wired network as the original Internet ... within a personal operating space (POS). A POS is the space surrounding a person, up to a distance of 10 meters. Currently, the two key WPAN technologies are Bluetooth and infrared light. Bluetooth is a cable ...

• Word Count: 3360
• Approx Pages: 13
• Has Bibliography
• Grade Level: High School

... computer, or a broadband internet connection. The one thing that is still the same is the initial connection method of the wireless network. When they are setup a length of Cat5e networking cable and two RJ-45 connectors, which look like big phone jacks, are the common pieces used. According to Texas Instruments, the most effective type of wireless LAN should have a compatibility ... service providers use wireless networks because of there flexibility. They are also very easy to repair when you compare the cost of a wired network. You have miles upon miles of cable that could be cut, br...

• Word Count: 806
• Approx Pages: 3
• Grade Level: High School

... science, mathematics and engineering," says Vice President Al Gore, the Clinton administration's leading high-tech advocate (Silverstein 9). The Information Superhighway will make it possible to merge today's broadcasting, 500-channel cable TV, general video, telephone, and computer industries all into one giant computer network, because it will have a much greater capacity than today's Internet. This is made possible by replacing ordinary ... telephone wires with fiberoptic cable, which is made up of hair-thin strands of glass and can transmit 250,000 times as much data as a convention...

• Word Count: 1782
• Approx Pages: 7
• Grade Level: High School

... switch or hub close to the location of the new PCs. In each room I will run a star topology linking to a hub and from each hub I will have a fibre optic backbone cable running to the server so information will run quickly from, each hub to the server. E.g.: I will be using a class -C- network as the company has less than 200 computers and will ... clicking on the print button. Internet Most of the employees in your office, including yourself, can increase their productivity with access to the Internet. Using a technology such as Roadrunner and a Cable/DSL router combined with a network ...

• Word Count: 1023
• Approx Pages: 4
• Grade Level: High School

... science, mathematics and engineering," says Vice President Al Gore, the Clinton administration's leading high-tech advocate (Silverstein 9). The Information Superhighway will make it possible to merge today's broadcasting, 500-channel cable TV, general video, telephone, and computer industries all into one giant computer network, because it will have a much greater capacity than today's Internet. This is made possible by replacing ordinary ... telephone wires with fiberoptic cable, which is made up of hair-thin strands of glass and can transmit 250,000 times as much data as a convention...

• Word Count: 1934
• Approx Pages: 8
• Has Bibliography

... Current Network The John Paul College network is almost completely wireless. Exceptions to this include staff, desktop computers in the primary school and senior school, all being connected by CAT5 cable. The wireless network reaches all parts of the college campus from the Coleman Centre to Sick Bay to the JPIC. (Refer to Appendix A) The current data transfer rate present throughout ... deliver a much more efficient and functional network overall. As of current the school uses Windows 2000 Server and should continue to, as it is very reliable and secure. No new cable extensions will ne...

• Word Count: 1247
• Approx Pages: 5
• Has Bibliography
• Grade Level: High School

... one desktop computer "all without unsightly cables. In a home or home office, using Wi-Fi equipment, your wireless network gives you the ability to share a single high-speed broadband cable or DSL connection. A Wi-Fi network can easily be expanded to ten users or more. Wi-Fi networks also work well for small businesses, providing connectivity between mobile salespeople, floor ... ...

• Word Count: 874
• Approx Pages: 3
• Grade Level: Undergraduate

... installed into expansion slots, and are sometimes built right into the motherboard of the computer. Different types of NICs are designed to accept certain types of transmission medium or network cable, which in turn determines the amount of information and the speed at which the information can be sent. They are also designed for different purposes. One type of card can ... ...

• Word Count: 1010
• Approx Pages: 4
• Has Bibliography
• Grade Level: Undergraduate

... .6 (Metropolitan Area Network Working Group), 802.7 (Broadband TAG), 802.9 (Isochronous LAN Working Group), 802.10 (Security Working Group), 802.12 (Demand Priority Working Group), 802.8 (Fiber Optic TAG), 802.14 (Cable Modem Working Group), (O"Hara). One very important working group to the networking industry is IEEE 802.11. 802.11 defines standards for wireless local and metropolitan area networks. The IEEE ... ...

• Word Count: 936
• Approx Pages: 4
• Has Bibliography
• Grade Level: High School

... conversations consisting of a series, or threads, of linked messages. Uniform Resource Locator is the address of a document on the Web. Video on Demand is the delivery of digital movies via cable, telephone, or wireless where the user has the ability to start and stop the movie at any time. World Wide Web is a global, networked system that serves data images, documents ... ...

• Word Count: 1172
• Approx Pages: 5
• Has Bibliography