anna university..........IT...7th SEM

1. IT1401 Component Based Technology

NOVEMBER/DECEMBER 2008



Information Technology

IT1401 - COMPONENT BASED TECHNOLOGY

(Regulation 2004)

Time: Three hours Maximum: 100 marks

Answer ALL questions.

PART A – (10 x 2=20 marks)

1.Define software component.
2.State the need of callbacks.
3.Define thread with an example.
4.What is introspection?Where it is used?
5.What is ORB?
6.Give account on IDL.
7.List the benefits of COM.
8.What is reflection?
9.How contexts are created in a .NET framework?
10.List the components of EJB containers.

PART B – (5 x 16 = 80 marks)

11. (a) Explain in detail about component architecture.[Marks 16]

or

(b) (i) Discuss in detail about the characteristics of components.[Marks 8]
(ii) What is the use of interfaces? Why we need it? Explain with example.[Marks 8]

12. (a) Explain in detail about distributed object model.[Marks 16]

or
(b) What is Enterprise Java Bean? Explain their types.[Marks 16]

13. (a) Draw the Object Management Architecture and explain in detail the CORBA services.

or
(b) Write in detail about CORBA component model.[Marks 16]

14. (a) Explain in detail about DCOM with its Architecture.[Marks 16]

or
(b) (i) Write about .NET components.[Marks 10]
(ii) Write a note on dispatch interfaces.[Marks 6]

15. (a) (i) Explain about connectors in component framework.[Marks 8]
(ii) Write about Directory objects.[Marks 8]

or
(b) Discuss in detail about Black Box component framework.[Marks 16]
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2. IT1402 – MOBILE COMPUTING

NOVEMBER/DECEMBER 2008

1. Differentiate analog modulation and digital modulation.
2. How are guard spaces realized between users in CDMA?
3. What are the general problems of satellite signals travelling from a satellite to
receiver?
4. Differentiate symmetrical and asymmetrical communication system.
5. What is HIPERLAN?
6. How is mobility restricted using WLANS?
7. What could be quick ‘solutions’ and why don’t they work?
8. What advantages does the use of IPV 6 offer for mobility?
9. Write the advantages and disadvantages of mobile TCP.
10. Define fast retransmit.

PART B – (5 x 16 = 80 marks)

11. (a) Explain in detail about multiplexing.

Or
(b) Explain the following :
(i) MAC
(ii) SDMA.

12. (a) Explain the functional architecture of a GSM system.

Or
(b) Discuss about digital video broadcasting.

13. (a) Explain the concept of blue tooth architecture.

Or
(b) Explain the concept of IEEE 802.11 medium access control layer.
14. (a) Explain the following :
(i) DSDV [Marks 8]
(ii) Ad-hoc DSR. [Marks 8]

Or
(b) Discuss about tunneling and encapsulation mechanism and reverse tunneling.

15. (a) Explain and detail about traditional TCP.

Or
(b) (i) Briefly explain about indirect and snooping TCP. [Marks 8]
(ii) Briefly discuss about WAP.[Marks 8]