Download JNTUH MCA 4th Sem R17 2020 November 844AA Web Technologies Question Paper

Download JNTUH (Jawaharlal nehru technological university) MCA (Master of Computer Applications) 4th Sem (Fourth Semester) Regulation-R17 2020 November 844AA Web Technologies Previous Question Paper

S OCT 2020




R17

Code No: 844AA















JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD

MCA IV Semester Examinations, October/ November - 2020

WEB TECHNOLOGIES


Time: 2 Hours











Max.Marks:75

Answer any five questions

All questions carry equal marks

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1.a) Briefly describe various aspects of PHP's array-manipulation capabilities.
b)

How to read data from a web form using PHP script.







[15]



2.a)

Write a PHP script to connect and view information in the MySQL database.

b)

Write down the features of PHP.













[15]



3.a) Explain the difference between XML Schemas and DTDs.





[15]

used

b)

How to use SAX parser in JAVA? Illustrate.


4.

Describe the XML DOM Node Tree with an illustrative example.



[15]


5.

Elaborate the HTTP request and response mechanism using Servlets.



[15]



6.

Describe in detail how can a JSP be connected to a database using JDBC.

[15]


7.

Explain the working principle of JSP Containers.









[15]


8.a) Write a Java script to validate user credentials. Use regular expressions for denoting

credentials.





















b)

What are the applications of Java script?











[15]





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