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EC1014 Telecommunication Switching and Networks(R 2004) Nov/Dec 2013 Question Paper

Anna University
B E /B Tech Examination November/December 2013
Department of  ECE
8th Semester
EC1014 Telecommunication Switching and Networks Question paper
(Regulation 2004)

Semester : 8
Department : ECE
Subject Code : EC1014
Subject Name :Telecommunication Switching and  Networks  
Type : Question Papers
Syllabus Regulation : 2004
Attachment Type : pdf
Details :EC1014 Telecommunication Switching and Networks Question Paper

Question Paper Code: 33350 I

Eighth Semester
Electronics and Communication Engineering
(Regulation 200412007)
(Common to RE. (part-Time) Seventh Semester/Electronics and
Communication Engineering/Regulation 2005)
Time ; Three hours
Maximum: 100 marks
Answer ALL questions.
PART A - (10 x 2 = 20 marks)
1. Determine the B3ZS code for the data sequence 1101100101010.
2. Write the suitable application of bidirectional path switched ring with proper justification.
3. What is advantage of multistage switching over single stage switching?
4. Write the significance of hybrid circuit in digital switching.
5. Calculate the relative accuracy requirement of two independent clocks to maintain a mutual slip rate objective of one slip in 24 hrs, The frame rate of 8 KHz is to he considered.
6. List the sources of clock instability.
7. Signify the features of digital loop carrier system.
8. What is VDSL? Specify the upstream and downstream data rates.
9. Given the message switching, node experiences 4 arrivals per minute. Calculate the probability that eight or more arrivals occur in an arbitrarily chosen 30 sec interval.
10. Determine the GOS, if an exchange receives 2200 calls while it is designed to handle 2000 calls during the busy hour.
Attachment :

.pdf   EC1014 ND 2013.pdf (Size: 1.66 MB / Downloads: 214)


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