Download JNTUH MCA 4th Sem R13 2018 June-July 814BC Web Technologies Question Paper

Download JNTUH (Jawaharlal nehru technological university) MCA (Master of Computer Applications) 4th Sem (Fourth Semester) Regulation-R13 2018 June-July 814BC Web Technologies Previous Question Paper

R13

Code No: 814BC

JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD

MCA IV Semester Examinations, June/July - 2018

WEB TECHNOLOGIES



Time: 3 Hours













Max. Marks: 60


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

Part A is compulsory which carries 20 marks. Answer all questions in Part A. Part B
consists of 5 Units. Answer any one full question from each unit. Each question carries
8 marks and may have a, b, c as sub questions.



PART - A



















5 ? 4 Marks = 20

1.a)

What is the importance of cookies in web applications?







[4]

b)

What are the merits of XHTML over HTML?









[4]

c) What is the need of common gateway interface? List problems associated with it. [4]
d) Compare and contrast servlet with Java server page.







[4]

e) Is Javascript a strongly typed language? Justify your answer.





[4]



PART - B

















5 ? 8 Marks = 40


2.

Give PHP code to read customer ID, Month and Year and display the mobile bill of that
customer fetching the data from the database. Assume suitable table schema for data.[8]

OR

3.

Differentiate between text and binary files, discuss PHP built-in functions for file
handling.



















[8]



4.

Construct XML schema and DTDs to store university admission data.



[8]

OR

5.

Demonstrate parsing of XML document using SAX parser.





[8]


6.

With suitable code describe servlet life cycle.









[8]

OR

7.

Write servlet code to implement servlet parameter passing and explain its execution.[8]



8.

What are the various directives used in java server pages? Discuss briefly each one of
them with suitable examples.













[8]

OR

9.

How to track a session in session management through java server pages? Explain with
illustrations.

















[8]



10.

Write java script to perform validation of user registration form. Phone number should
have exactly 10 digits, Name should not have numbers so on.





[8]

OR

11.

What is AJAX? Explain applications for AJAX and compare them with Java applications.

























[8]



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