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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).
What is NVT (Network Virtual Terminal) It is a set of rules explaining a very simple virtual terminal interaction. The NVT is used in the begin of a Telnet session.
Normal 0 false false false EN-IN X-NONE X-NONE MicrosoftInternetExplorer4
what is due care
Determine the command that forces the router to load into ROM mode upon a reload? Ans) boot system rom ia the command that forces the router to load into ROM mode upon a reload
Threats to information can include Deletion of a file or files. Corruption, caused either by hardware problems or by a bug in the software. Theft of company data
Can you describeconvergence in networks?
DNS Message There are the only two kinds of DNS message DNS query and reply messages. Further mote both query and reply message have the same format as shown in figure.
Define the term - public knowledge information It is essential to distinguish between public knowledge information and the more detailed pieces of information relating to spec
EIGRP metric
Compare Error Detection and Error Correction: The correction of errors is more difficult than the detection. In error detection, checks only any error has happened. In error co
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