ca/en-CA/product/id/10238826.aspx 2. Differences between Cable‚ DSL‚ 3G/4G and LTE internet. DSL - is faster than dial-up‚ using an ordinary telephone line and external modem. Data speed 1.5 Mbps up to 7 Mbps. With a line mostly dedicated to the user‚ sometimes faster than cable internet. Cable – No phone line needed only cable modem. 3Mbps to 30 Mbps. Cable is shared with the entire neighborhood; the more people use the cable‚ the slower it gets for all of them. 3G - is the wireless network
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3/20/2014 Course Objectives Covered by this Unit • Analyze telephone networks and network topology Unit 1 Key Concept 1: Telephone Networks Copyright 2012‚ ITT ESI 1 2 Copyright 2012‚ ITT ESI Unit Learning Outcomes Keywords • Demonstrate an understanding of the history of telecommunications. • Identify the main structures that comprise a telephone network. Use the following keywords or keyword phrases to search for additional materials to support your work: • Telecommunications • Explain
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the transmission of high speed data. DSL facilitates the simultaneous use of normal telephone services‚ ISDN‚ and high speed data transmission‚ e.g.‚ video. DMT-based DSL can be seen as the transition from existing copper-lines to the future fiber-cables. This makes DSL economically interesting for the local telephone companies. They can offer customers high speed data services even before switching to fiber-optics. DSL is a newly standardized transmission technology facilitating simultaneous
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Chapter 7 Lab Exercise 7.1.1 Part of the distinction between LAN and WAN networks is ownership. Why is it impractical for an organization to own the entirety of a WAN? Why is it favorable for an organization to maintain ownership of the entirety of a LAN? Use your textbook and Internet research to compose your answer A) There are no limitations on WANs so they can be custom built for the size of the organization. For the purpose of organizational expansion. Exercise 7.1.2 Given the problems with
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Brief History of Cable Television: The traditional mass media had a confined sphere in countries where it initially grew‚ functioning strictly in line with the values‚ norms‚ traditions and basic requirements of the local populace. But‚ the inventions of new technologies like satellite communication‚ cable television and internet has helped it across national boundaries and addresses the worldwide audience. These boosting inventions have‚ in fact made the world a global village by transforming media
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to maintain the entirety‚ it’s to maintain the entirety of a LAN because it’s easier to maintain and 2. Attenuation 1. The quality of UTP cables can vary from telephone-grade wire to extremely high-speed cable. They more prevalent in school networks. Coaxial can support great cable lengths between network devices. Coaxial cable has been popular in school networks‚ especially linear bus networks. 2. It’s because the signal still has to be able to be picked up by the AP it would have
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wiring that connects you to the public switched telephone network (PSTN). This line can be a voice line‚ or it can be a data line. The physical wiring for the local loop consists of a pair of twisted copper wires that run from the telephone company’s central office to the subscriber’s premise and another pair of twisted copper wires that run back to the telephone company’s Central Office1 b. Central Office A Central Office is part of the telephone network in your area. It is a building in which the
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own the LAN to be able to control the cost of the set up Exercise 7.1.2 Increasing the distance would help due to making easier to see both a strong and weak signal Exercise 7.1.3 Media Infrastructure summary UTP Phone Lines Has 4 pair of 22-24 gauged wires Coaxial TV Cable Can be ran over long distances Fiber-optic Single mode and multi mode Use customized infrastructure to run dedicated connections Exercise 7.1.4 Wan wireless media Satellite Used to provide internet and mobile broadband WiMAX Provides
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overview of the advancements on the technology is provided as well. The Story behind the success Power over Ethernet or PoE technology describes a system to safely transfer electrical power‚ along with data‚ to remote devices over standard data cables in an Ethernet network (Cat 3/Cat5/Cat5e/Cat6). Long before its discovery‚ structured cabling has been a puzzle for most integrators. Sometimes‚ they think that they have found a “perfect location” for a device‚ only to find out that it would be
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University September 20‚ 2011 TABLE OF CONTENTS: I. ABSTRACT II. HISTORY OF FIBER OPTICS III. HOW FIBER OPTICS WORK IV. ADVANTAGES OF OPTICAL FIBERS V. DIGITAL ENCODING VI. TRANS-OCEANIC CABLES VII. CONCLUSION ABSTRACT The fiber-optic communication theory has been around us for years. In the last decades‚ this theory has changed the world of communications making possible
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