... 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...

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• Approx Pages: 4
• Grade Level: High School

... requires fewer cables than the star topology. The Bus topology is the cheapest topology because of the main cable. It is easy to set up as well. Some disadvantages of the bus topology are if the main cable is severed, then the entire network goes down. It is also hard to quickly identify the location ... there is no central server. During heavy traffic, the network could slow down. In the IBM Token Ring topology, each node is connected in a circular cable. Empty tokens are continuously traveling around the cable. To prevent collisions, a workstation can only send a message when it there ...

• Word Count: 514
• Approx Pages: 2
• Has Bibliography
• Grade Level: High School

... full and partial mesh. In a full mesh setup, each workstation or device is connected to each of the other devices in the network by a cable. In a partial mesh layout, nodes, or devices are only networked with those systems in which is exchanges the most amount of data. It ... system. Bus Network A bus network is a local area network (LAN) topology is where each workstation or node is connected to a single cable. This main cable or link is known as a bus and the connecting point is known as the tap. The advantage of these network setups is like that ... an IEEE 802.3 standard, it is a b...

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• Has Bibliography
• 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: 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

1. What is the difference between Mesh, Bus, Ring and Star topologies? Bus topology advantages are the cable is inexpensive, simple to understand and easily to extend. Bus disadvantages are difficult to troubleshoot, increase network traffic decrease network performance and limited physical length. Star topology is configured in ... shape of a star. The advantages of a Star are failure of a computer will not stop the network, easy troubleshooting, easy to add additional computer to the network. Star disadvantages are expensive cable between each computer and if the hub fails the network will...

• Word Count: 576
• Approx Pages: 2
• Has Bibliography
• Grade Level: High School

... .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 ... ...

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• Grade Level: High School

... . DQDB has integrated a plethora of positive features including; Duel-bus architecture, Cell relay transmission, Compatibility with LANs and FDDI, The ability to use sever different types of media including coaxial cable to fiber optics, Fault tolerance, rates from 1.5 to 155Mbps, and several more. The two most common uses for DQDB today are the less expensive Open Dual Bus topology, and Looped ... ...

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• Grade Level: Undergraduate

... analogous to those of T1/E1 in the narrowband world. The SONET/SDH standards define the packaging of data within SONET/SDH frames, the encoding of signals on a fiber-optic cable, and the management of the SONET/SDH link. The advantages of SONET/SDH include the following: • rapid point-to-point transport of data with little overhead • standards-based ... ...

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• Grade Level: High School

... Used for low frequency transmission Shielded Twisted Pair (STP) Shielding prevents noise/interference further Therefore used in higher transmission rates Can also be used for longer periods of time Coaxial Cable Single wire in centre Core of insulating material Conductive outer wrapping ...

• Word Count: 411
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• Grade Level: High School

... the Internet and the way of achieving this is by T1 carriers. T1 would best suit this company because of the reasonable cost of installation and monthly service fees. Coaxial cable will used to accommodate multiple T1 connections. Also with the T1 connection, the terminal equipment will consist of bridges, routers, or a combination of two. The bridge or router would typically ... ...

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... three and its primary use would be for home, school, and businesses. LANS, being the basic building block of any computer network, can range from two computers being connected by a cable to the complexity of hundreds of connected computers and peripherals throughout a major corporation. Local Area Networks provides organizations with abilities essential for today's business needs. For example, a LAN gives access ... ...

• Word Count: 630
• Approx Pages: 3
• Grade Level: High School