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

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Code No: 844AA Rl 7

JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD

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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]
   

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   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]

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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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