network nodes‚ such as Network Interface Cards (NICs)‚ Bridges‚ Hubs‚ Switches‚ and Routers. In addition‚ some method of connecting these building blocks is required‚ usually in the form of galvanic cable (most commonly Category 5 cable). Less common are microwave links (as in IEEE 802.12) or optical cable ("optical fiber"). An ethernet card may also be required. Network interface cards A network card‚ network adapter or NIC (network interface card) is a piece of computer hardware designed to
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expensive to implement but is also the most fault tolerant (Johnson‚ Tittel‚ and Tomsho‚ 2004). If any one cable or device within the mesh topology network fails‚ performance is not affected because of the multiple connections to other devices. Bus Topology When every workstation is connected to a main cable (bus)‚ this is referred to as the bus topology. The bus topology has one common cable connection‚ also called the "backbone"‚ to connect all the devices of the network. The single "backbone"
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Exercise 5.1.2 The 802.3 family of standards has the format 802.3x where x is a sequence of letters specifying the new standards added to the 802.3 base standard. One of the enhancements to Ethernet is Power over Ethernet (PoE)‚ in which Ethernet cable can provide power to remote‚ low-power devices that are not near an electrical outlet. What 802.3 standard originally defined PoE functionality? When was the standard enhanced‚ and what was the new standard name given for the enhancement? Use your
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Seminar 1 – 1. Digital Firm vs. Traditional Firm a. Greater flexibility in organization management i. Time-shifting – Open 24/7 ii. Space shifting – No longer confined to shopfront b. Manage business relationships‚ processes‚ assets digitally 2. Why do companies invest in IT? c. 6 strategic business objectives iii. Operational excellence – IT increases efficiency and productivity iv. New products‚ services & business models
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Office‚ Local Exchanges‚ POP‚ Long Distance System‚ and Fixed Line. A brief description of each components are as follows: a Local Loop is a simple network that connects a home to the Central Office of the Telephone Company. It consists of twisted pair cables with a maximum length of three miles. The Central Office is an office in a locality to which a subscriber home and business lines are connected on the local loop. The Local Exchange is a service that provides calling within you exchange. The
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geographic distances. 3 Major characteristics of WANs • Generally connect devices that are separated by a broader geographical area than can be served by a LAN. • Use the services of carriers‚ such as telephone companies‚ cable companies‚ satellite systems‚ and network providers. • Use serial connections of a various types to provide access to bandwidth over large geographic areas. LAN connects computers‚ peripherals‚ and other devices in a single building or the small
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Lecture 6 Telecommunications And Networks Learning Objectives Understand the concept of a network. Apply Metcalfe’s law in understanding the value of a network. Identify major developments and trends in the industries‚ technologies‚ and business applications of telecommunications and Internet technologies. Provide examples of the business value of Internet‚ intranet‚ and extranet applications. Learning Objectives Identify the basic components‚ functions‚ and types of telecommunications
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Chapter 1 Exploring X10 and what it can do with Linux software Watching your Linux MythTV system or a Linux video player on TV Hearing and controlling your Linux MP3 player remotely Getting online weather information on your Linux computer Exploring storm warning alerts for your cell phone‚ pager‚ or e-mail Using a Linux smart phone system for your home or business Functional and Fun: Home Automation Applications Every room of your home probably offers plenty of possibilities for home automation
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[pic] [pic] ASSIGNMENT COVER |Course code: |CS 300 | |Course name: |Telecommunications | |Assignment title: |Fiber Optics In Communication | |Instructor’s
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network. One such element of a logical network includes assigned IP addresses to devices such as routers‚ switches‚ servers‚ workstations and other devices utilized on a network. Logical design usually do not show the actual interfaces and physical cables in the diagrams; thus the term "logical". A logical network design is the design of a network as expressed in terms of its functionality and inter-relationship with different functions within the network. A logical network design document would
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