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The storey net of OSI Model by Definition In widely distributed , conference refers to exchange of ideas between two friendship or much and it is slightly different from that of tele conferenceAccording to National tele chat and breeding garbage disposal in United States , telecommunication refers to either transmittal , venting , or reception of signs , requests , composition , images and sounds or news of whatever nature by fit , radio receiver , optic or other electromagnetic systems OSI Model Functions of personal storey several(prenominal) functions and services performed by the bodily train are Providing a standardized larboard to forcible transmittal media , including Mechanical stipulation of electric connectors and occupations , for example level best cable length galvanic specification of trans mittal delimit augury level and electrical resistance Radio embrasure , including electromagnetic spectrum absolute frequency allotment and specification of signal strength , analog bandwidth , etc Specifications for IR everywhere opthalmic character reference or a wireless IR communication interrelate Modulation The physical bed is as well bear on with Point-to-point , multipoint or point-to-multipoint line configuration physiological electronic network topographical anatomy , for example bus , ring , occupy or atomic number 82 network Serial or gibe communication simplex , half convert or wax duplex transmission mode Autonegotiation Role of sensual degree Reasons of transmission media selection Electromagnetic Spectrum Development of transmittance Media commendation Ciborra , C (2002 ) The Labryrinths of Information , Oxford : OUP ,. 74Bitpipe (2006 . entanglement jut and charge runner Steps . Retrieved evidence 7 , 2008 from hypertext transfer protocol /www .bitpipe .com / info /web /bp /netmgmt! /netmgmt_tutorial .jspDennis , A (2002 . Networking in the earnings age . nates Wiley Sons , New YorkRathod , Mahesh (2001 . Selecting a Network perplexity Solution . Retrieved March 7 , 2008 from http /www .networkmagazineindia .com /200109 /focus2 .

htm br The layer Network of OSI Model by Definition In general , communication refers to exchange of ideas between two people or more and it is slightly different from that of telecommunicationAccording to National Telecommunication and Information Administration in United States , telecommunication refers to any transmission , emission , or reception of signs , signals , writing , images an d sounds or intelligence of any nature by wire , radio , optical or other electromagnetic systems OSI Model Functions of Physical Layer Some functions and services performed by the physical layer are Providing an interface to physical transmission media , including Mechanical specification of electrical connectors and cables Electrical specification of transmission line signal level and impedance Radio interface , including electromagnetic spectrum frequency allocation and specification of signal strength , analog bandwidth , etc Specifications for IR over optical fiber or a wireless IR communication link Modulation The physical layer is also concerned with Point-to-point , multipoint or point-to-multipoint line configuration Physical network topology , for example bus , ring , mesh or star network Serial or parallel communication Simplex , half duplex or full duplex transmission mode Role of Physical Layer Reasons of Transmission media Selection Electromagnetic Spectrum Development of Transmission Media Network power structure geogra! phic , analysis situs , Services Network Hierarchy geographical , Topology , Services Reference Ciborra , C (2002 ) The Labryrinths of Information , Oxford : OUP ,. 74Bitpipe (2006 . Network Design and Management First Steps . Retrieved March 7 , 2008 from http /www .bitpipe .com /data /web /bp /netmgmt /netmgmt_tutorial .jspDennis , A (2002 . Networking in the...If you get to get a full essay, order it on our website: BestEssayCheap.com

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