TED[15] …5152……… Reg.
No…………………………..
(REVISION-2015) Signature…………………………
DIPLOMA EXAMINATION IN
ENGINEERING/TECHNOLOGY/ MANAGEMENT/
COMMERCIAL PRACTICE
SUBJECT NAME: ……NETWORK
ROGRAMMING……………………………………
[Time:
…….hours]
(Maximum marks:
100)
PART
- A
(Maximum
marks: 10)
Marks
I Answer all questions in one
or two sentences. Each question carries 2 marks.
1. Define object
2. State the concept of
package
3. Define applet
4. Explain URL
5. Differentiate client and
server
(5x2=10)
PART
- B
(Maximum
marks: 30)
II Answer any five of the
following questions. Each question carries 6 marks.
1. Java is both compiled and interpreted.
Justify this statement.
2. Explain why a constructor
cannot have any return type.
3. Differentiate the concepts
of final and finalize in java
4. Explain the life cycle of a
thread
5. Write an applet program to
find the factorial of a number including try catch statement. Also create html
file to execute the program
6. Distinguish between
absolute URL and relative URL
7. Write the procedure to run
an RMI program (5x6=30)
PART
- C
(Maximum
marks: 60)
(Answer one full question from
each unit. Each full question carries 15 marks)
UNIT
- I
III a.Explain the concept of parameterized constructor with an
example (8)
b.Explain how an object can be
passed as a parameter with an example (7)
OR
IV. a. Java allows multiple methods to have the same name with
different
Parameters. Illustrate this concept with an example (8)
b.Write a java program to
define a class Student having data members rollno,
name, marks1 and marks2 and a method to calculate the total
marks
and percentage of marks. (7)
UNIT
– II
V. a. Explain the concept
of thread in java mentioning the advantage of
multithreaded program (8)
b. Describe the methods of
thread synchronization (7)
OR
VI. a. When the control enters the catch
block, it does not return to the try
block to execute the remaining
code. Justify the statement with an example. (8)
b.Mention the various swing
components and its constructors (7)
UNIT
– III
VII. a. Write the various steps which are involved in creating a
server program (8)
b.Write a program to retrieve
the IP address of a system using InetAddress class (7)
OR
VIII. a. Explain the various components of a URL
with an example stating the
various methods to extract each component (8)
b.Write a tcp based Server
socket program to establish a connection
with a client
program (7)
UNIT
– IV
IX. a. Describe the various steps to execute an RMI program (8)
b.Write the procedure to start
an RMI server (7)
OR
X. a. Explain the various steps for developing an RMI system (8)
b.Java is highly secure for
network applications. Justify this statement (7)
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