Start Discovering Solved Questions and Your Course Assignments
TextBooks Included
Active Tutors
Asked Questions
Answered Questions
a three stage network is designed with the following parametersmn512 p q 16 and alpha 065 calculate the blocking probability of the network if s16
in a national transmission system the characteristic impedances of the 4-wire circuit and the 2-wire circuit are 1200 and 1000 respectively the
a subscriber makes three phone calls of 3 minutes 4 minutes and 2 minutes duration in a one hour period calculate the subscriber traffic in erlangs
sky wave communication is prone to fading it is true or falseansit is true that sky wave communication is prone to
a certain amount of side tone is essential in telephone communicationansit is true that a specific amount of side tone is necessary in telephone
a two stage non-blocking network requires twice the number of switching elements as the single stage non-blocking network it is true or falseansit is
the larger the grade of service the worse is the service given it is true or falseansit is true that larger the grade of service the worse service is
the signalling connection control part sccp and message transfer part mtp together are referred to asa signal switching points ssps b signal
analog signals can be by combining them with a carrier frequencya
packet switching is used fora credit card verificationb automated teller machinec the internet and the world wide webd all of the
trunks are the lines that run betweena subscribers and exchangeb switching system and power plantc local area networkd switching
traffic intensity can be measured ina traffic intensity can be measured ina
traffic handling capacity is given bya switching capacity times theoretical maximum load b switching capacity theoretical maximum load c
an important terminal that is required between dte and pstn isa
a distributed network configuration in which all datainformation pass through a central computer isa bus
computer to computer communication isa computer to computer communication isa
arq is transmitted in the event ofa loss of
signalling transfer point stp exist ina strowger exchange b ss7c local
in a single stage network a there is no redundancy b there is redundancy c alternative cross points are available d alternative paths
in a time division space switch the size of the control memory is n and its width a log10m b logem c lognm d log2mwhere n are the outlets
the analog signal needs to be sampled at a minimum sampling rate ofa
one erlang is equal toa 3600 ccs b 36 ccs c 60 ccsd 24 ccsansone erlang is equivalent to 3600
engaged tone is generated in thea telephone instrument of calling subscriberb telephone instrument of called subscriberc exchanged
in a dtmf phone digits are represented bya orthogonal frequenciesb orthogonal phases c orthogonal codes d orthogonal pulsesansdigits
calculate the maximum access time that can be permitted for the data and control memories in a tsi switch with a single input and single output trunk