Sathyabama University BE CSE 6C0103 Component Based Technologies September 2010

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SATHYABAMA UNIVERSITY

(Established under section 3 of UGC Act, 1956)

Course & Branch: B.E - CSE

Title of the Paper: Component Based Technologies Max. Marks: 80

Sub. Code: 6C0103                                                    Time: 3 Hours

Date: 02/09/2010                                                       Session: FN

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                                       PART - A                    (10 x 2 = 20)

                        Answer ALL the Questions

1.     Write the types of Enterprise Java Beans.

2.     What is the meant by IDL Interface?

3.     List the advantages of using factory.

4.     Define Transactions.

5.     Give the functionality of POA manager and Servants in POA architecture.

6.     Compare DII and IDL stub.

7.     What is the need for distributed Object DBMS?

8.     What is object caching?

9.     Give the purpose of GUID and CLSID.

10.   Write the two ways of attaining Component reusability in COM.

PART – B                       (5 x 12 = 60)

Answer All the Questions

11.   (a)    Explain the usage of setter / getter properties used in 
        JavaBeans.

        (b)   Explain how marshalling helps to provide communication
        between two objects.

(or)

12.   What is the need for a Software Component? Briefly explain the working of COM and CORBA.

       

13.   (a)    Explain the role of brokers played in Component
        Technology.

        (b)   Explain what happens when an event is triggered using
        Event Driven Programming?

(or)

14.   How Concurrency is maintained in the Server Object? Explain in detail.

15.   (a)    What is IDL? Explain with syntax to represent modules and
                sequences.

        (b)   Explain any one services provided by CORBA.

(or)

16.   Write a CORBA program to display the message “This is my first CORBA program”. Explain the methods and classes used in this program.

17.   Explain the following:

                (a)    Object migration

                (b)   Query processing

(or)

18.   “Transaction Management is key feature of distributed object DBMS”. With justification, explain the above statements.

19.   Explain the methods used in IUnknown Interface with proper syntax. Also write a program to find the square of a number.

(or)

20.   (a)    Explain CoCreateInstance ( ), CoGetClassObject( ) and
        IClassFactory used to make a client to interact with DLL.                                                                                                   (8)

        (b)   Explain the working principle of DCOM.                     (4

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