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Facts about Fiber Optic Cables
1.Outer insulating jacket is made of Teflon or PVC.
2.Kevler fiber helps to strengthen the cable and prevent breakage.
3.A plastic coating is used to cushion the fiber canter.
4. Center ( core) is made of glass or plastic fiber.
Optical fiber consists of thin glass fibers than can information at frequencies in the visible light spectrums and beyond. The typical optical fibe consists of a very narrow strand of glass called the core around the core there is a concentric layer of glass called the cladding. Coating the cladding is a protective coasting consisting of plastic it is called jacket.
figure Single fibre and a sheath of three fibres
Advantages and Disadvantages of optical fibers
Advantages: Fiber optic cable has several ad van ages over metallic cable( twisted pair or coaxial).
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Difference between synchronous tdm and statistical tdm
What is DUAL in EIGRP?
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Q. Illustrate Keep alive and Time-Waited Timer? Keep alive timer To prevent a long inactive connection between two TCPs - Either client or server crash
CPU bus It is connect with various components of the system and transformation of data between components. Power Supply It is separate external part of cisco rou
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