AL-703-D Internet and Web Technology - Nov 2023 Question Paper

Under each question, How to answer lists the points an answer should cover, outlined by CampusPrep from the syllabus. Check the details against your textbook.

1. 7 Marks
   aWhat is the World Wide Web (WWW) and how does it relate to the Internet?
   How to answer

   • Define World Wide Web as system of interlinked hypertext documents accessed via Internet
   • Define Internet as global network infrastructure using TCP/IP
   • Explain relationship: Web is a service running on top of Internet with HTTP, URLs, browsers
   • Give examples of other Internet services vs Web
2. 7 Marks
   bDescribe the roles of web browsers and web servers in the context of the World Wide Web.
   How to answer

   • Define web browser as client software requesting and rendering pages
   • Define web server as software/hardware serving HTTP requests
   • Explain request-response cycle with HTTP
   • Explain roles in context of WWW with example
3. 7 Marks
   aDiscuss the web design issues related to browsers, bandwidth, cache and display resolution and explain how designers can address these challenges.
   How to answer

   • List issues: browser compatibility, bandwidth, cache, display resolution
   • Explain impact of each on design and performance
   • Suggest solutions: responsive design, optimization, caching strategies
   • Conclude with designer best practices
4. 7 Marks
   bWhat are the different types of lists in HTML? Explain how these lists are created in HTML with suitable examples?
   How to answer

   • Define three list types: ordered, unordered, definition lists
   • Explain tags: <ol>, <ul>, <dl> with attributes
   • Give suitable HTML code examples for each
   • Show output structure
5. 7 Marks
   aExplain how images can be inserted in to a HTML document?
   How to answer

   • Introduce <img> tag and its purpose
   • Explain src, alt, height, width, align attributes
   • Give example code for inserting image
   • Mention image formats and paths
6. 7 Marks
   bWhat is the difference between group of checkbox buttons and group of radio buttons?
   How to answer

   • Define checkbox group allowing multiple selection
   • Define radio button group allowing single selection
   • Compare on selection behavior, name attribute, use case
   • Give HTML example of each
7. 7 Marks
   aWhat are the different ways of referencing colors in Cascading Style Sheet? Discuss.
   How to answer

   • List color reference methods: named colors, hex, RGB, RGBA, HSL
   • Explain syntax for each with example
   • Discuss browser support and usage in CSS
   • Give example CSS rules
8. 7 Marks
   bWrite JavaScript for validating HTML Login Form by using Regular Expressions.
   How to answer

   • Outline HTML login form with username and password fields
   • Define regex patterns for validation
   • Write JavaScript function using test() on submit
   • Show error handling and return false/true
9. 7 Marks
   aExplain about Document Object Model in JavaScript in detail.
   How to answer

   • Define DOM as API representing HTML as tree of objects
   • Explain document, window, node hierarchy
   • Describe methods like getElementById, querySelector and events
   • Give example of DOM manipulation
10. 7 Marks
    bWhat is XML schema? State its purpose and its advantages over DTD.
    How to answer

    • Define XML Schema (XSD) for defining XML structure
    • State purpose: validation, data typing
    • List advantages over DTD: data types, namespaces, XML syntax
    • Compare XSD vs DTD in table
11. 7 Marks
    aDiscuss about various types of PHP interpreters. Write a program in PHP to find out length of the string "This is my first program".
    How to answer

    • Explain PHP interpreter/engine types and working
    • Describe strlen() function for string length
    • Write PHP program with echo strlen("This is my first program")
    • Show expected output
12. 7 Marks
    bState the rules for declaring variables in PHP and Write a PHP program for a simple calculator.
    How to answer

    • List variable rules: $ prefix, letter/underscore start, case-sensitive
    • Explain with valid/invalid examples
    • Write PHP calculator using form + switch/if for + - * /
    • Show handling of user input
13. 7 Marks
    aExplain database connectivity in PHP with reference to MYSQL.
    How to answer

    • Define MySQL connectivity steps: connect, select DB, query, close
    • Explain mysqli_connect / PDO functions with syntax
    • Give example connection code with error handling
    • Mention executing queries
14. 7 Marks
    bWrite a PHP script to add a user to Login table in MySQL database.
    How to answer

    • Outline steps: connect to MySQL, select database
    • Write INSERT query into Login table
    • Write PHP script using mysqli with form data
    • Show success/error message handling
15. 14 Marks
    Write a short note on any two:

    1. i)Advantages of PHP
    2. ii)Function in PHP
    3. iii)Naming rules in XML
    4. iv)Features of XHTML
    5. v)Purpose of cookies
    How to answer

    • Select any two topics from i)-v)
    • Define and explain key points for each chosen topic
    • Give examples/features/advantages as relevant
    • Conclude with uses