Jawaharlal Nehru Technological University Kakinada 2009-2nd Sem B.Tech Information Technology Code No: P1203/R05 III Supplementary s, / MIDDLEWARE TECHNOLOGIES - Question Paper

Code No: P1203/R05
III B.Tech II Semester Supplementary Examinations, Nov/Dec 2009
MIDDLEWARE TECHNOLOGIES
(Information Technology)
Time: three hours
Max Marks: 80
ans any 5 ques.
All ques. carry equal marks

1. (a) elaborate the advantages and disadvantages of Centralized computing?
(b) elaborate the advantages and disadvantages of Distributed computing? [8+8]

2. (a) discuss how Garbage collection of RMI works.
(b) What is Leasing in the situation of Remote Objects. [10+6]

3. How Assemblies helps in running multiple applications. discuss with an example.
[16]

4. discuss in detail .NET remoting architecture.
[16]

5. (a) discuss brie y about
i. ORB
ii. IOR
iii. Object Reference.
(b) What is meant by Naming Service? provide the purpose of naming service in
CORBA.
[8+8]

6. What does a Trader Service give for other objects.
[16]

7. (a) explain the process of protecting Externalizable info.
(b) Write about component packaging.
[8+8]

8. (a) provide the typical characteristics of an Entity Bean.
(b) discuss EJB Packaging.
[8+8]

Earning:   Approval pending.