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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).
Explain about the Switches LAN switches are an expansion of the method in LAN bridging, which controls data flow, handles transmission errors, gives physical addressing, and ma
Repeaters - Operate only in physical layer - Connects two segments of the same LAN - Both segments must be of the same protocol - Only forwards frames; does not filter
Determine the term - Experimental neuropsychology This is an approach which uses methods from experimental psychology to uncover the relationship among the nervous system and c
what is cryptography
The School of Computing is planning to deploy a new network structure to accommodate the following scenario. Please make suggestions on how this LAN can be designed based on the fl
Q. What is Bus Topology? Multipoint configuration One cable acts like a backbone to link all devices Advantages: Effortlessness of installation and less cabling
To accept its goals, ATM uses fixed, small sized packets known cells. Every cell has 53 octets. VPI/VCI fields shows the cells destination. PRIO say if cell can be discarded CRC
Difference between Authentication and Deauthentication Authentication: Used to establish the self of stations to each other. Deauthentication: This service is appealed whene
Q. Show the Network layer in an internetwork? - Receives data from Transport layer - Responsible for creating Packet - Each packet contains - Universal Address of Sour
Token Passing - Token Ring (IEEE 802.5) Needs that station take turns sending data Token passing coordinates process Token is a especially formatted three-byte fr
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