Post Graduate Diploma Computer Application ALAGAPPA UNIVERSITY - DISTANCE EDUCATION P.G.D.C.A. (Non-Semester) EXAMINATION, MAY 2010. INTERNET AND JAVA PROGRAMMING Question paper

Time : Three hours
Maximum : 100 marks

Answer any FIVE questions.
All questions carry equal marks.

1. (a) Explain about Internet Address Protocols and IP diagram.(10)
(b) Describe abut the architecture and design issues of network.(10)

2. (a) Explain Name server concepts.(10)
(b) Explain file transfer protocol.(10)

3. (a) Explain about Entertainment on the internet.(10)
(b) Explain about HTPP protocols.(10)

4. (a) Describe any three OOP principles.(10)
(b) Explain about the data types used in Java.(10)

5. (a) Write about uses of arrays in Java.(10)
(b) What are the operators used in a Java programming? Explain.(10)

6. (a) Explain the method over loading and method over riding concepts with suitable examples.(10)
(b) Describe the different string handling functions supported by java.(10)

7. (a) Describe about life cycle of the applet with sample program.(10)
(b) Explain about constructors in detail.(10)

8. Explain about transport layer ports, IP ports, and TCP port usage.(20)