CONVERGENCE OF TECHNOLOGIES AND NETWORKING IN COMMUNICATION (CTNC) DECEMBER 2011 SEMESTER 5TH INFORMATION TECHNOLOGY
(3 Hours) [Total Marks:- 100]
(a) What are the different between ASK, FSK, PSK digital modulation technology?
(b) Why M-ary PSK schemes give a higher data rate? What are practical problems in
increasing the phases beyond a limit?
(c) Explain ISO-OSI layered architecture in brief.
(d) What is the difference between virtual circuit switching, circuit switching and packet
switching?
switching?
(e) What is the importance of logical layers in Telecommunication Management Network(TMN)?
2. (a) Explain deferentially encoded phase shift keying (DEPSK) in detail. [10 Marks]
(b) What is mean by Handoff? Explain how proper Handoff take place with some Handoff
algorithms? [10 Marks]
3. (a) Explain in detail block diagram of analog and digital communication system. [10 Marks]
(b) What is basic difference between transparent bridging used in Multi-bridging in
Ethernet LANs? [10 Marks]
4. (a) Explain Code Division Multiple Acess Techniques. How spreading and scrambling take
place also explain Direct Sequence Spread Spectrum? [10 Marks]
(b) Explain the merits and demerits of input buffering, output buffering and shared
buffering. [10 Marks]
5. (a) Explain ISDN architecture and how call is established as well as released in ISDN?
Also describe the protocol stack for ISDN? [10 Marks]
(b) What is difference between traffic shaping and traffic policing? How can shaping avoid
policing? Explain with a simple example. [10 Marks]
6. (a) What is need for network management? Differentiate between the TMN functional Architecture
and TMN physical architecture. [10 Marks]
(b) Explain in details digital signatures and certificates. [10 Marks]
7. Write short notes on any four of the following :- [20 Marks]
(a) Kerberos
(b) 3G UMTS network
(c) Data multiplexing
(d) Bluetooth Technology
(e) Error correction and Detection Methods at data link layer
(f) RSA Algorithm
Also see Convergence of technologies and networking in communication question papers for December 2012
Also see Convergence of technologies and networking in communication question papers for December 2012
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