Download JNTUH MCA 4th Sem R17 2019 April-May 844AA Aprilmay Web Technologies Question Paper

Download JNTUH (Jawaharlal nehru technological university) MCA (Master of Computer Applications) 4th Sem (Fourth Semester) Regulation-R17 2019 April-May 844AA Aprilmay Web Technologies Previous Question Paper

R17

Code No: 844AA















JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD

MCA IV Semester Examinations, April/May - 2019

WEB TECHNOLOGIES

Time: 3hrs













Max.Marks:75


Note: This question paper contains two parts A and B.

Part A is compulsory which carries 25 marks. Answer all questions in Part A. Part B
consists of 5 Units. Answer any one full question from each unit. Each question carries
10 marks and may have a, b, c as sub questions.



PART - A



















5 ? 5 Marks = 25



1.a) Briefly describe the data types of PHP.











[5]

b) What is DTD? Give an example.













[5]

c) What is CGI?

















[5]

d) Write a short note on implicit JSP objects.









[5]

e) What do you mean by client side scripting languages? List alternatives for Java script.
[5]


PART - B

















5 ? 10 Marks = 50



2.

What is a PHP Session? Explain with an example.







[10]

OR
3.

Briefly describe various file handlings functions in PHP.





[10]



4.

Explain the following terms.

a) SAX parser b) XML XSLT c) XML namespaces





[10]

OR

5.

Explain different ways of accessing nodes in DOM.







[10]


6.

What is Servlet? Describe the life cycle of a Servlet.







[10]

OR

7.

What are cookies? Explain how to set and get cookies using an illustrative example.



















[10]


8.

Describe session management in JSP?











[10]

OR
9.

Write a JSP page with validation and formatting Using a Bean?





[10]


10.

Explain Control structures in JavaScript.











[10]

OR
11.

Write a simple AJAX script to update a small portion of a web page for every
10 seconds.

















[10]



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