Download JNTUH MCA 4th Sem R13 2017 August 814BC Web Technologies Question Paper

FirstRanker.com

Firstranker's choice

Code No: 814BC R13

--- Content provided by​ FirstRanker.com ---

JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD

FirstRanker.com

MCA IV Semester Examinations, August - 2017

WEB TECHNOLOGIES

Time: 3 Hours Max. Marks: 60

--- Content provided by​ FirstRanker.com ---

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 x 4 Marks = 20

1. What is PHP? What are its salient features? [4]
2. Explain the structure of a XML document. [4]

--- Content provided by‌ FirstRanker.com ---

3. Describe servlets. [4]
4. Explain implicit objects in JSP. [4]
5. Explain client side scripting. [4]

PART - B 5 x 8 Marks = 40

1. a) What is the difference between GET and POST methods in PHP? Explain it with an example? [8]
   

   --- Content provided by​ FirstRanker.com ---

   b) Write a PHP script to accept name of directory from the user and display all files in that directory with their name, size, time of last access, time of last modification and number of blocks allocated to the file. [4+4]
   OR
   a) Write a PHP script to accept the directory name and prints the contents of that directory. [8]
   b) Discuss session handling and cookies in PHP. [4+4]
2. a) “XML schema documents supports usage of data types”, Explain the feature and its advantages. [8]
   

   --- Content provided by‍ FirstRanker.com ---

   b) Write the XML schema for a library system. [4+4]
   OR
   a) What are the differences between DOM and SAX parsers? [8]
   b) Explain the document type definition (DTD) sequences. [4+4]
3. a) Explain the lifecycle of a Servlet. [8]
   

   --- Content provided by⁠ FirstRanker.com ---

   b) Explain reading and initialization of servlet parameters. [4+4]
   OR
   Using an example, explain how http requests and responses are handled in servlets. [8]
4. a) What is a JavaBeans component? How will you use the JSP language elements for accessing Beans in your JSP pages? [8]
   OR
   

   --- Content provided by‌ FirstRanker.com ---

   a) Describe the JSP processing. [8]
   b) Discuss session tracking in JSP. [4+4]
5. a) How to create Java Script functions? Explain with a typical example. [8]
   b) Explain the Ajax applications in detail. [4+4]
   OR
   

   --- Content provided by⁠ FirstRanker.com ---

   a) Write a Javascript to check mobile number (mobile no. should start with 7 or 9) [8]
   b) Write a JAVA SCRIPT to find the factorial of the given number. [4+4]

FirstRanker.com