Code No: 814BC R13
JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD
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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.
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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 x 4 Marks =20
- What is the importance of cookies in web applications? [4]
- What are the merits of XHTML over HTML? [4]
- What is the need of common gateway interface? List problems associated with it. [4]
- Compare and contrast servlet with Java server page. [4]
- Is Javascript a strongly typed language? Justify your answer. [4]
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PART -B 5 x 8 Marks = 40
- 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]
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Differentiate between text and binary files, discuss PHP built-in functions for file handling. [8] - Construct XML schema and DTDs to store university admission data. [8]
OR
Demonstrate parsing of XML document using SAX parser. [8] - With suitable code describe servlet life cycle. [8]
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OR
Write servlet code to implement servlet parameter passing and explain its execution.[8] - What are the various directives used in java server pages? Discuss briefly each one of them with suitable examples. [8]
OR
How to track a session in session management through java server pages? Explain with illustrations. [8] - 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
What is AJAX? Explain applications for AJAX and compare them with Java applications. [8]
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