STUPIDSID
MU Information Technology (Semester 5)
Convergence of Technologies & Networking in Communication
December 2011
Convergence of Technologies & Networking in Communication
December 2011
1(a)
What are the difference between ASK, FSK, PSK digital modulation technology?
4 M
1(b)
Why M-ary PSK schemes give a higher data rate? What are practical problems in increasing the phases beyond limit?
4 M
1(c )
Explain ISO-OSI layered architecture in brief
4 M
1(d)
What is the difference between virtual circuit switching, circuit switching and packet switching?
4 M
1(e )
What is the importance of logical layers in Telecommunications Management networks (TMN)?
4 M
2(a)
Explain differentially encoded phase shift keying (DEPSK) in detail.
10 M
2(b)
What is meant by handoff? Explain how proper handoff takes place with some Handoff Algorithms.
10 M
3(a)
Explain in detail block diagram of analogy and digital communication system.
10 M
3(b)
What is basic difference between transparent bridging used in Multi-bridging in Ethernet LANs?
10 M
4(a)
Explain Code Division Multiple Access Technique. How spreading and scrambling takes place also explain Direct Sequence Spread Spectrum?
10 M
4(b)
Explain the merits and demerits of input buffering, output buffering and shared buffering.
10 M
5(a)
Explain ISDN architecture and How call is established as well as released in ISDN? Also describe the protocol stack in ISDN.
10 M
5(b)
What is difference between traffic shaping and traffic policing? How shaping can avoid policing? Explain with simple example?
10 M
6(a)
What is need of network management? Differentiate between TMN functional architecture and TMN physical architecture.
10 M
6(b)
Explain in detail digital signatures and certificates?
10 M
Write short notes on any four of the following:-
7(a)
Kerberos
5 M
7(b)
3G UMTS Network
5 M
7(c )
Data multiplexing
5 M
7(d)
Bluetooth technology
5 M
7(e )
Error Correction and Detection Methods at data link layer.
5 M
7(f)
RSA Algorithm
5 M
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