Maharashi Dayanand University (MDU) 2006 M.C.A Computer Internet Programming using C# - Question Paper

1. (a) How does .NET technology differ from COM? What is .NET framework? What is the relationship ranging from .NET framework and COM/COM+/DCOM? Illustrate the importance of its building block through a diagram.

(b)What is a delegate? What is its used for? elaborate the steps involved in creating and using a delegate?
Also illustrate the purpose and characteristics of multicast delegates.

2. (a) Compare and contrast c#, Java and c++.
(b) What do you mean by server-side programming? Illustrate its significance.

3. discuss the following:
(a) Interface in c# and their use (b) Internet programming.

4. (a) What is CLR? elaborate the activities involved in CLR process? Also explain the role of MSIL, CTS and CLS.
(b) What is exception handling in c#? elaborate the major tasks involved in handling exceptions? elaborate the
exceptions that occur commonly in c# programs? ans the following:
(i) Why is proper ordering of catch blocks necessary in c#?
(ii) What happens when an exception is caused in an inner try block of a nested try block?
(iii)How can exception-handling mechanism be used for debugging a program?

5.Differentiate ranging from the subsequent with suitable illustration :
(a) Abstract and sealed classes (b) For and for every
(c) Static and non-static constructor (d) Overriding and overloading

6. (a) What is an if address? explain its formats and illustrate significance of every element.
(b) elaborate the hardware and software requirement for establishing an internet connection? Also define
important internet tools.

7. (a) elaborate different data access methods? Which data access method is used in .NET and why? illustrate its
benefits over other methods.
(b) What is the layered architecture of TCP/IP reference model? discuss.
8
. discuss the following: (i) SMTP (ii) DNS (iii) Shell account

Earning:   Approval pending.