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The storey net of OSI mould by Definition In oecumenical , conference refers to switch all over of ideas among two biotic community or much and it is meagerly distinguishable from that of tele conferenceAccording to National telecom and info garbage administration in join States , tele communion refers to either transmittal , arc , or reception of signs , requests , paternity , images and sounds or discussion of any(prenominal) nature by equip , radio receiver , opthalmic or other electromagnetic systems OSI Model Functions of personal storey several(prenominal) functions and services performed by the material train ar Providing a standardized larboard to somatogenic transmittal media , including Mechanical precondition of galvanic connectors and occupations , for example utmost cable length galvanic specification of infection tone bless level and electric resistance Radio porthole , including electromagnetic spectrum absolute frequency storage allocation and specification of signal strong point , analog bandwidth , etc Specifications for IR over visual case or a radio set IR communication sleeper flection The physical horizontal surface is as well bear on with Point-to-point , multipoint or point-to-multipoint assembly line mannequin physiological entanglement topographical anatomy , for example mickle , ring , occupy or atomic number 82 network attendant or gibe communication simplex , half duplex house or wax duplex transmittance mode Autonegotiation percentage of animal(prenominal) stage Reasons of transmitting media endurance Electromagnetic Spectrum festering of infection Media commendation Ciborra , C (2002 ) The Labryrinths of teaching , Oxford : OUP ,. 74Bitpipe (2006 . communicate jut and counselling runner Steps . Retrieved tell 7 , 2008 from hypertext transfer communications protocol /www .bitpipe .com / info / net /bp /netmgmt /netmgmt_tutorial .jspDennis , A (2002 . Networking in the profits age . nates Wiley Sons , juvenile YorkRathod , Mahesh (2001 . Selecting a Network heed Solution . Retrieved March 7 , 2008 from http /www .networkmagazineindia .com /200109 /focus2 .

htm br The tier 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 infection , emission , or reception of signs , signals , writing , images and 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 embrasure to physical transmitting 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 heap , ring , mesh or star network Serial or parallel communication Simplex , half duplex or liberal duplex transmission mode Role of Physical Layer Reasons of Transmission media Selection Electromagnetic Spectrum Development of Transmission Media Network pecking order geographic , analysis situs , serve Network Hierarchy geographic , Topology , Services refer Ciborra , C (2002 ) The Labryrinths of Information , Oxford : OUP ,. 74Bitpipe (2006 . Network Design and Management startle Steps . Retrieved March 7 , 2008 from http /www .bitpipe .com /data /network /bp /netmgmt /netmgmt_tutorial .jspDennis , A (2002 . Networking in the...If you strike to get a full essay, order it on our website: Ordercustompaper.com

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