Telecommunication Switching Networks Question Paper 2014 for BPUT M.Tech 1st Semester in Electronics and Communication branch is given below. This question paper was asked in 2014 1st sem exam of B.PUT M.Tech in the following branches (Communication Engineering, Communication System, Electronics & Communication Engineering, Electronics & Tele Communication Engineering). Few questions are given here, you can download the full question from the below given link.
Telecommunication Switching Networks Question Paper 2014
1st Semester Regular/ Back Papers 2014
Branch : Communication Engineering, Communication System, Electronics & Communication Engineering, Electronics & Tele Communication Engineering
Time : 3 Hours
Max. Marks : 70 Marks
Q1. Answer the following questions.
a) Define switching system. Calculate the no of link for a fully connected network.
b) Define erlang ? What is significance of it in telecommunication network?
c) Define blocking probability for folded and non folded network with proper block diagram
d) How switching systems are classified? In what way is stored program control superior to hardwired control?
e) Define the following terms, program, procedure, processor, process, task and subroutine.
f) Determine the switch advantage ratio of a three stage network with N inlets and N outlets when N=128 and N=32768
g) Calculate the total no of trunks that can be supported on a time multiplexes space switch, if 32 channels are multiplexed in each stream.
h) If MTBR= 1000 hours and MTTR = 10 hours, calcualte the unavailability for both single and dual processor system ?
i) Define the relationship among different markov processes using venn diagram.
j) What do you mean by broadband LAN? Mention its advantages and disadvantages over baseband LAN.
Q2.
a) What is the switching element advantage ratio ? Derive tge expression for blocking probability for a three stage network using Lee’s graph?
b) Differentiate between single stage and Multistage Network
Q3.
a) A subscriber makes five phone calls of two minutes, two minutes, three minutes, five minutes and 10 minutes duration in an hour period. Calculate the subscriber traffic in erlangs CCS and CM.
b) Derive the expression of unavailability for both single and dual processor system?
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