Ethernet‚ 10BASE5 (also known as thick ethernet or thicknet) was the original commercially available variant of Ethernet For its physical layer it used cable similar to RG-8/U coaxial cable but with extra braided shielding Disadvantages Adding new stations to network was complicated by the need to accurately pierce the cable. The cable was stiff and difficult to bend around corners. One improper connection could take down the whole network and finding the source of the trouble was difficult
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Oscilloscope _ An oscilloscope (also known as a scope‚ CRO‚ DSO or‚ an O-scope) is a type of electronic test instrument that allows observation of constantly varying signal voltages‚ usually as a two-dimensional graph of one or more electrical potential differences using the vertical or ’Y’ axis‚ plotted as a function of time‚ (horizontal or ’x’ axis). Although an oscilloscope displays voltage on its vertical axis‚ any other quantity that can be converted to a voltage can be displayed as well
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zzz1. The Physical Layer of the OSI model is responsible for: a) establishing‚ maintaining and terminating connections across the intervening network b) reliable transfer of information across the physical link c) data units are delivered error free‚ in sequence‚ with no losses or duplications d) all of the above e) none of the above 2. An example of an application layer protocol is a) HTTP c) UDP e) None of the above b) HDLC d) TCP 3.Techniques for transmitting a digital signal over an
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INDUSTRIAL TRAINING REPORT Submitted by:- Meenakshi Gupta 6040 1184751 Ece -5b LUDHIANA COLLEGE Of Engineering and Technology‚ Ludhiana Acknowledgement I would like to add a few heartfelt words for the people who were
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Business Information Systems Learning Outcomes Week 1 HARDWARE AND SOFTWARE BASICS 1. Describe the six major categories of hardware‚ and provide an example of each. Hardware consists of the physical devices associated with a computer system. The six major categories of hardware include: • the central processing unit (CPU)—the actual hardware that interprets and executes the program (software) instructions and coordinates how all the other hardware devices work together (e
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The WAN A natural extension of the LAN is the wide area network (WAN). A WAN connects remote LANs and ties remote computers together over long distances. The WAN provides the same functionality as the individual LAN‚ but on a larger scale - electronic mail‚ applications‚ and files can now move throughout the organization-wide internet. WANs are‚ by default‚ heterogeneous networks that consist of a variety of computers‚ operating systems‚ topologies‚ and protocols. The most popular internetworking
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Telephone Service (POTS) is a simple network that connects a house to the Central Office of the Telephone Company through a Local Loop. The Local Loop consists of twisted pair cables with a maximum length of three miles. Digital Subscriber Line (DSL) Local Loop The DSL System also includes a Local Loop of Twisted Pair Cable that is primarily used to connect computers and other digital equipment as well as telephones. The maximum length of this loop is 11 miles. Interexchange Hierarchy A
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point-to-point goes from one computer to another. P2P can also be more expensive if the computers connected are far apart. 3. Describe three types of guided media. Three types of guided media are fiber-optic cable which uses high-speed streams of light pulses from lasers or LEDS‚ coaxial cable copper-core with a cylindrical shell for insulation‚ and twisted-pair wire insulated pairs of wires that can be packed closely together. 6. Clearly explain the differences among analog data‚ analog
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CableCo to buy 1‚000 feet of coaxial cable for $3 per foot. However‚ CableCo is building a new warehouse‚ so they currently don’t have anywhere to store the cable. They have asked CoAx to store the cable in their warehouse until CableCo’s warehouse is completed in three months. CoAx agrees to do so. They store the cable in spools holding 10‚000 feet of cable‚ which are considered finished goods ready to be shipped. They will not physically set aside the 1‚000 feet of cable that CableCo ordered‚ but
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simple home setup that anyone could do. The start of this network is the Internet connection‚ which would be a cable connection. The service provider would be from the cable company and would use a coaxial cable from the wall connected to a modem device usually provided by the installing cable company. The Zoom CableModem 5241 would be the choice for the modem and is what is used by most cable companies. The modem will be located next to the main computer of the household for ease of access by the administrator
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