Download JNTUH MCA 4th Sem R17 2019 December 844AA Web Technologies Question Paper

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

R17

Code No: 844AA















JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD

MCA IV Semester Examinations, December - 2019

WEB TECHNOLOGIES

Time: 3hrs













Max.Marks:75

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

S 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) What is the importance of cookies? How does PHP support them?



[5]

b) Which data types are used in XML schema?









[5]

c) What are the common problems of common gateway interface technology?

[5]

d) Give the anatomy of a java server page.











[5]

e) List the properties and methods of JavaScript array.







[5]



PART - B

















5 ? 10 Marks = 50



2.

Write a PHP program to display bill amount of a customer against customer number.
Database customer table will have these details.









[10]

OR

3.

Explain various file operations in PHP file handling with suitable code segments. [10]



4.

How can both internal and external DTDs be used in an XML file? Explain with
examples.



















[10]

OR

5.

Write a program to display the content of a DOM tree and also discuss the procedure for
manipulating it.

















[10]


6.a)

Describe servlet architecture with suitable figure.

b)

Differentiate between generic servlet and http servlet.





[5+5]

OR

7.

What are the two ways of passing parameters to a servlet? Explain briefly with necessary
code.



















[10]


8.a)

Explain about the implicit objects in JSP.

b)

How is data shared between java server pages? Give illustration.



[5+5]

OR

9.

Explain the basic steps to be followed by java server page to work with java database
connectivity.

















[10]


10.a) Demonstrate function overloading in JavaScript.
b) How to associate functions with objects in JavaScript?







[5+5]

OR

11.

Write a script to manipulate a HTML document using document object model interface
and explain its working.















[10]



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