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q describe pulse diallingpulse dialling 1 generated through make and break contact2 dc current pulse is generated3 each number is
q illustrate computer-controlled routingcomputers are employed in network with common channel signaling ccs features in ccs there is a separate
q what is own-exchange routingdistributed routing or own-exchange routing enables alternative routes to be chosen at intermediate nodes hence the
q what is right-through routingin right-through routing originating exchange determines complete route from source to destination no routing
q explain different routing plan adopted in a telephone network anshierarchical networks are capable of handling heavy traffic where required and
q grade of service in loss systemsgrade of service in loss systems traffic carried by the network is normally lower than actual traffic offered to
q what is traffic intensitytraffic intensitytraffic load on a given network may be on local switching unit interoffice trunk lines or other common
q what is traffic engineeringtraffic engineering provides the foundation for analysis and design of telecommunication network to carry a given
q data transmission in bus topology bus topologythis topology shares a single path or link way among all users this common single path way is called
q basic working of star topologyin star topology all user nodes are connected to central node point that interconnects all individual users links and
q show the direct connection or one to one topologyin the one to all topology there is a path between every node and every other node the number of
q explain topology method used in lan technologyanslan topologies network topology is a physical schematic which demonstrates interconnection of the
q explain function of application layerlayers of osi model are as follows1 the physical layer this defines an interface in terms of connections
q explain about simplex communicationsimplex communication microphone and the earphone are transducer elements of the telephone communication system
q justify disadvantages and advantages of packet switching over circuit switchinganscomparison of circuit switching and packet switching showing
q what is the need of modem in data communicationneed of modem modems are used to interface computers computer networks in addition to other terminal
q what is a modemmodems are generally used to interface digital circuits to transmit information on analogue channels such as telephone systems modem
q what are the benefits of ccs over in-channel signallingthe benefits of ccs over in-channel signalling are listed belowa information can be exchange
q explain own-exchange routingown-exchange routing or distributed routing enables alternative routes to be chosen at the intermediate nodes so
level 1 is means of sending bit streams over a physical path it uses times lot 16 of a 2 m bits pcm system or times slot 24 of a15 m bits systemlevel
q explain the architecture of ss7 and compare with seven-layer osi architectureansa block schematic diagram of ccitt no 7 signalling system is
q what is centralized spcin centralized control all control equipment is replaced by a single processor which should be quite powerful it should be
q compare electromechanical switching system with electronic switching systemsr noelectromechanical switching systemelectronic switching
q what do you mean by conditional selectionconditional selection when a marker is instructed to create a connection from a given incoming trunk to a
q explain about register markerregister marker stronger selectors perform searching and counting though the crossbar switch has no lsquointelligence