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the table summarizes results from a clinical trial based on data from pfizer inc use a 005 significance level to test the claim that experiencing
an auto manufacturing company wanted to investigate how the price of one of its car models depreciates with age the research department at the
a research analyst for an oil company wants to develop a model to predict miles per gallon based on highway speed an experiment is designed in which
q discuss fdm and illustrate how ccitt stndards help in building the base bandansfrequency division multiplexing it is the process of combining
q how numbering plan is achieved in modern telephony ansthe purpose of numbering plan is to uniquely identify every subscriber connected to a
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