SRM University 2007 B.Tech Electronics and Communications Engineering Bank for Communication Switching Techniques - Question Paper

9. List the various user parts supported by SS7&Write what is the function of user part?
10. What is meant by TCPA?
11. Write in brief about SCCP.
12. Write short notes about ISP
13. Draw the frame format of the HDLC which is used in SS7
14. What is meant by Bit stuffing?
15. What are the signaling units available in SS7?
16. How fault correction is done in SS7?
17. What is the use of FIB&FSN in signaling units of SS7?
18. What is the use of BIB&BSN in signaling units of SS7?
19. What is the use of Arbiter?
20. List the various kind of Arbiters
21. What is meant by 3rd wire control?
22. List the functions of Junctors.
23. What is the use of a relay in Junctor?
24. What is the use of B relay in Junctor?
25. What is reed relay system?
26. What is meant by Serial Trunking?
27. Write short notes on Plessy 5000 systems.
28. Write short notes on Pentaconta systems.
29. What is meant by Interaid system?
30. What is meant by Japanese C 400 system?
PART - B
1. With neat block diagram discuss about SS7(or) CCITT number seven system and relationship ranging from SS7&OSI models.
2. Write in detail about Reed Relay system with neat diagram.
3. Explain in detail about Realization of Arbiters with necessary diagram.
4. List the functions of a Junctor with a neat diagram.
5. With a neat diagram discuss about 3rd wire control?
6. Explain in detail about Ericsson ARF system.
UNIT- IV
PART A
1. Draw the circuit symbol for electromechanical switches.
2. Draw the triangular cross point matrix for connecting both way trunks.
3. Write short notes on 2 stage switching network.
4. Write the formula to compute the number of stage in 2 stage network.
5. Write the formula to obtain the number of cross points in 2 stage network.
6. Write the formula to obtain the number of cross points in 3 stage network.
7. What is meant by time switching?
8. Draw the TST switching network for M incoming and M outgoing highways.
9. What is the advantage of TST over STS?
10. What are the kinds of SPC?
11. Write short notes on dual processor.
12. What are the 3 models available in dual processor?
13. What is standby mode?
14. What is synchronous duplex mode?
15. What is load sharing mode?
16. What is the formula for the availability and non availability of single processor?
17. What are the kinds of distributed SPC?
18. What is meant by map-in memory and map-in-network?
19. Draw the hierarchy of switching network?
20. What are the elements of switching system?

PART B
1. Explain in detail about single stage network?
2. Explain in detail about multi stage network?
3. Explain about SPC in detail?
4. Discuss in detail about TST switching.
5. Write notes on a)Hierarchy of switching network
b)Elements of switching system

UNIT - V
PART A
1. Explain the functions of Facsimile.
2. Give the kinds of Facsimile.
3. What are the 2 techniques standardized by CCITT in Facsimile?
4. Write short notes on Teletext.
5. Write short notes on Videotext.
6. Explain about E-mail system configuration?
7. Explain how ISDN access line is used as digital pipe?
8. Draw ISDN protocol architecture.
9. Write the services given by ISDN?
10. Define ISDN over CCITT recommendation?
11. What is interin and long term ISDN model?
12. What are the different applications of E-mail?
13. What is the use of marker in AT&T system?
14. What are the kinds of marker used in AT&T system?
15. Differentiate ranging from Japanese C-400 and AT&T system?
16. How post dialing delay is avoided in Japanese C-400?
17. What are the main features of Japanese D-10 system?
18. What is the traffic capacity of every line link network in Japanese D-10 system?
19. Write short notes on mother file system in Japanese D-10 system?
20. What are the subsystem in N0 four ESS system?
PART B
1. Draw and discuss AT&T system?
2. Explain in detail about Japanese D-10 system?
3. Explain about NO four ESS System?
4. Write short notes on a) Facsimile b) E-mail
5. Write short notes on a) Videotext b) Teletext
6. Explain about ISDN in detail?

Earning:   Approval pending.