TABLE OF CONTENT Topic Pages 1.0 Introduction.............................................................................................................................1 1.1 Overview ……………………………………………………………………………………………..….2 2.0 Fast Ethernet ………………………………………………………………………………3-4 2.1 Overview of the Fast Ethernet ………………………………………………………………………..4 2.2 Implementation
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uses of twisted-pair cables Describe the primary types and uses of coaxial cables Describe the primary types and uses of fiber-optic cables Describe the primary types and uses of wireless media Compare and contrast the primary types and uses of different media CHAPTER 8 Network Media Types Network media is the actual path over which an electrical signal travels as it moves from one component to another. This chapter describes the common types of network media‚ including twisted-pair cable
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propagation speed‚ and propagation time. * A guided medium provides a physical conduit from one device to another. Twisted-pair cable‚ coaxial cable‚ and optical fiber are the most popular types of guided media. Twisted-pair cable consists of two insulated copper wires twisted together. Twisting allows each wire to have approximately the same noise environment. Twisted-pair cable is used in telephone lines for voice and data communications. * Coaxial cable has the following layers (starting
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"The Possibility of Evil"‚ by Shirley Jackson‚ is a twisted story. It starts off with Ms.Strangeworth‚ the main character‚ having pride in her family and roses. She goes to the grocery store and has friendly conversations with the town’s people‚ but goes back home to write anonymous‚ cruel letters to the same people she talked to. She later on gets caught and everyone knows all the letters were from her. By writing the letters‚ she thought she was stopping the evil in her town‚ but‚ the ironic part
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towards self‚ violence towards God‚ sorcery‚ and hypocrisy. For the despicable lives they lived on earth‚ they are doomed to suffer relating consequences for all of eternity. “No green leaves‚ but rather black in color‚ no smooth branches‚ but twisted and entangled‚ no fruit‚ but thorns of poison bloomed instead.” (XIII‚ 4) No longer humans‚ but trees‚ they stand in a fruitless wood‚ being eaten by half-woman‚ half-bird creatures called Harpies.
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What type of instrument can be used to measure the SWR? Spectrometer Reflectometer Oscilloscope Multimeter. To reduce the phase distortion by using………………….. Coaxial cable Equalizer Twisted Pair Cable None of the above To reduce the frequency distortion by using………………….. Coaxial cable Equalizer Twisted Pair Cable None of the above The characteristic impedance (Zo) of the transmission line independent of……………. Conductor Height Length Conductor Width
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showing various layers Note: Shielding protects transmitted data by absorbing stray electronic signals‚ called noise‚ so that they do not get onto the cable and distort the data. Coaxial cable is more resistant to interference and attenuation than twisted-pair cabling. Attenuation is the loss of signal strength that begins to occur as the signal travels farther along a copper cable. [pic] Types of Coaxial Cable There are two types of coaxial cable: ⢠Thin (thinnet) cable ⢠Thick (thicknet)
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A computer network is a telecommunications network that allows computers to exchange data. The physical connection between networked computing devices is established using either cable media or wireless media. The best-known computer network is the Internet. Network devices that originate‚ route and terminate the data are called network nodes.[1] Nodes can include hostssuch as servers and personal computers‚ as well as networking hardware. Two devices are said to be networked when a process in one
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proof of which can be found in the works of Christopher Marlowe and Sir Walter Ralegh. Another potent form of love is pure love which is unconditional and timeless as expressed by Shakespeare and Elizabeth Berrett Browning. On a different note‚ a twisted love is flawed and bound to fail as revealed by Robert Browning. In Marlowe’s "The Passionate Shepherd and His Love" and Ralegh’s "The Nymph’s Reply to the Shepherd‚" an idealistic yet inadequate love is displayed between a Shepherd and his Lover
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Network Topologies • LANs and WANs - Geographical coverage • LANs – A single geographical location‚ such as office building‚ school‚ etc – Typically High speed and cheaper. • WANs – Spans more than one geographical location often connecting separated LANs – Slower – Costly hardware‚ routers‚ dedicated leased lines and complicated implementation procedures. 1 Network Topologies • Topology - Physical and logical network layout – Physical – actual layout of the computer cables and other
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