ALCCS
FEBRUARY 2009
NOTE:
· Question 1 is compulsory and
carries 28 marks. Answer any FOUR questions from the rest. Marks are indicated against each question.
· Parts of a question should be
answered at the same place.
Q.1 (7
x 4)
a. What are the differences
between https and http.
b. Discuss the advantages of
servlet over CGI.
c. What are the differences between web server
and web services.
d. What are the differences between servlet and
applet?
e. What is RPC? Write a short note on XML-based
RPC.
f. Discuss about the different type of JDBC
drivers.
g.
Write short note on Virtual Private
Network.
Q.2 a. Discuss about the limitations of UDP
protocol. Write program for developing Date-Time server and client by using
DatagramPacket and DatagramSocket class. (2+4+3)
b. Discuss the objectives of URL and URLConnection
class of java.net package. Write a program for downloading an image file from
http server. (3+6)
Q.3 a. Discuss the objectives of JDBC. What are the
advantages and disadvantages of type-4 driver over type-2 driver? (3+6)
b. Write a program for inserting an image into a
database. Write a program for inserting a long text file into a database table. (4.5 *2)
Q.4 a. What do you mean by Context? Discuss about the objectives of ServletContext
and AppletContext. (3+3+3)
b. Write a servlet program for reading initial
parameters from web.xml file. (9)
Q.5 a. What do you mean by distributed computing?
What are the technologies available for developing distributed computing
environment? Discuss about the object Marselling and unmarselling. (3+3+3)
b. Design
a RMI Server program for handling credit card operation. (6+3)
Q.6 a. What is EJB? How many different type of EJB components are
available? Discuss the life cycle of
Statefull session bean. (2+4+3)
b. Write a Simple bean component which has three
properties length, width and height. Write a program for accessing the
properties of the bean. (4+5)
Q.7 a. What is implicit object? Discuss about them. (2+7)
b. What do you mean by user defined tag
library? Write necessary steps for tag
library development in JSP. Write an example user defined tag library. (2+4+3)