Solution of PYQs and important questions for Internet Programming

Differentiate Between the Following

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1. HTML and HTML5
2. Class Selector and ID Selector
3. GET Method and POST Method in PHP
4. JSON and XML
5. Internal DTD and External DTD
6. Ajax Application Model and Traditional Application Model

Module 1: Introduction to Web Technology

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1. Explain <audio> and <video> controls of HTML5 with an appropriate example.
   [5 Marks]

2. Explain the working of rowspan and colspan in an HTML table with a suitable example.
   [10 Marks] View Code

3. Explain how the shadow effect can be applied to text using CSS with a suitable example.
   [10 Marks] View Code

4. Explain any 5 semantic tags of HTML5 with an example.
   [10 Marks] View Code

5. What is HTTP? Describe the structure of HTTP request and response messages.
   [10 Marks]

6. Write a code to drag an image from outside the box and drop it inside the box.
   [5 Marks] View Code

7. Create an external stylesheet and link it to an HTML form. The stylesheet should include:

   • A header with red text and a yellow background.
   • A double-lined table with 5 rows and 3 columns:
     • First column: Serial number of the product.
     • Second column: Image with a hyperlink and name of the product.
     • Third column: Description of the product.
       [10 Marks]
       View Code

8. Explain basic internet protocols essential for transferring data and sending emails.
   [10 Marks]

9. List and explain the 3 ways to add a stylesheet (CSS) to an HTML web page with suitable examples.
   [10 Marks]

10. Write an external stylesheet and link it to an HTML file. The stylesheet should include the following:

• The web page will have the background image img1.jpg.
• The table heading will have a red background color.
• Alternate paragraphs will have different background colors.
• The hyperlinks on the web page will not have an underline. [10 Marks] View Code

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Module 2: Front-End Development

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1. What is event handling in JavaScript? Explain it with an example.
   [10 Marks] View Code

2. Write a JavaScript code to accept a name and password from the user and validate the data:

   • Name should not be empty.
   • Password should be at least 6 characters long.
     [10 Marks]
     View Code

3. Create a form with the following fields: 'Name', 'Age', 'Email ID', and 'Password'. Validate each field using JavaScript:

   • Name: Should only contain alphabets (A-Z).
   • Age: Should be between 0 and 100.
   • Email ID: Must include @.
   • Password: Must contain at least 1 uppercase letter, 1 digit, 1 special character, and have a minimum length.
     [10 Marks]
     View Code

4. Write the code to process online alumni information for your college. Create forms to get Name, Address, Date of Birth, and Email ID. Validate the following using JavaScript:

   • User must fill all fields before form submission.
   • Email ID must include @ and ..
   • Age validation using DOB (>= 22 years).
     [10 Marks]
     View Code

5. Write a JavaScript code that reads ten numbers and displays the count of negative numbers, positive numbers, and zeros.
   [10 Marks]
   View Code

6. Write a JavaScript program to check if Password and Confirm Password are the same.
   [5 Marks]
   View Code

7. Explain exception handling in JavaScript with a suitable example.
   [10 Marks] View Code

8. Explain built in objects in Javascript. [10 Marks]

9. Explain Javascript DOM Model [10 Marks]

10. Explain how Javascript can hide and show elements with the help of an example [5 Marks] View Code

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Module 3: Back-End Development

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1. Write a short note on JDBC.
   [10 Marks]

2. Write a short note on JSP.
   [10 Marks]

3. Explain the Servlet lifecycle with a neat diagram.
   [10 Marks]

4. What is session tracking? Show how session tracking is achieved using cookies.
   [5 Marks]

5. What are cookies, and how do they work in Servlets?
   [10 Marks]

6. Write a JSP program to perform basic arithmetic operations: addition, subtraction, multiplication, and division.
   [10 Marks]
   View Code

7. Write a JSP program to display system date and time.
   View Code

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Module 4: Rich Internet Application (RIA)

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1. What are the characteristics of Rich Internet Applications (RIA)?
   [5 Marks]

2. Draw and compare the AJAX application model and the traditional web application model.
   [10 Marks]

3. What is AJAX? Explain its role in web applications.
   [10 Marks]

4. Write AJAX code to read from a text file and display its contents after a button click.
   [10 Marks]
   View Code

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Module 5: Web Extensions - PHP and XML

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1. Explain the different data types in PHP.
   [5 Marks]

2. Explain the structure of an XML document with an example.
   [10 Marks]

3. What is DTD? Explain internal DTD and external DTD.
   [5 Marks]

4. Differentiate between JSON and XML.
   [5 Marks]

5. Discuss various control structures in PHP with suitable examples.
   [10 Marks]

6. If you wanted to send sensitive information like a password to the backend, would you use the GET or POST method in PHP? Justify your answer and distinguish between these methods.
   [5 Marks]

7. Explain how form validation works in PHP with a suitable example.
   [10 Marks]

8. Write the HTML, XML code, and DTD for handling the following data in an e-commerce website:

   • Product ID
   • Product Name
   • Product Cost
   • Purchase Date
   • Purchased By
   • Seller Name
     [10 Marks]
     View Code
     View Code
     View Code

9. Create a well-formed XML document to maintain a library catalog. Format it in a tabular manner using XSLT.
   [10 Marks]
   View Code
   View Code

10. Write a PHP code to find the factorial of a number.
    View Code

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Module 6: React.js

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1. Discuss the advantages of React.js.
   [5 Marks]

2. What are the features of React.js? Write code for "Hello World" using React.js.
   [10 Marks]
   View Code

3. What is JSX? Explain its attributes with an example.
   [10 Marks]