Web programming basics: HTML, DHTML, XML, scripting, Java, servlets and applets. - One Line Questions

1. What is the main difference between `GET` and `POST` methods in HTTP requests, often handled by Servlets? — `GET` sends data in the URL, `POST` sends data in the request body.
2. Which HTML tag is used to create a line break? — <br>
3. Which tag is used to define the main heading in an HTML document? — <h1>
4. Which HTML tag is used to create a form? — <form>
5. Which tag is used to create a hyperlink in HTML? — <a>
6. Which attribute is used to specify the character encoding for an HTML document? — <meta charset='UTF-8'>
7. Which tag is used to create an unordered list in HTML? — <ul>
8. Which of the following is NOT a valid HTML tag? — <center>
9. Which HTML tag is used to create a paragraph? — <p>
10. Which HTML element is used to create a table? — <table>
11. Which HTML tag is used to create an ordered list? — <ol>
12. What is a Java Applet? — A small Java program embedded within a web page
13. What is a script in web programming? — A set of commands executed by the web browser or server
14. What does `alt` attribute in an `<img>` tag represent? — Alternative text for the image, displayed if the image cannot be loaded
15. In XML, what is a root element? — The first element in the document that contains all other elements.
16. Which Java technology is used to create dynamic web pages on the server-side? — Servlets
17. What is the primary characteristic of a Java Applet that distinguishes it from a Servlet? — Applets run on the client's browser, Servlets run on the server.
18. Which attribute is used to define an inline style in HTML? — style
19. Which attribute is used to define a unique ID for an HTML element? — id
20. What is a common use case for Java Servlets? — Processing form submissions and interacting with databases
21. Which method is typically used by Servlets to handle incoming HTTP requests? — service()
22. What does XML stand for? — Extensible Markup Language
23. Which attribute is used to specify the URL of an image in the `<img>` tag? — src
24. Which attribute specifies the target window for a hyperlink? — target
25. What is the fundamental difference between HTML and XML? — HTML is for display, XML is for data storage and transport.
26. In XML, what defines the structure and content rules for an XML document? — Document Type Definition (DTD) or XML Schema (XSD)
27. What does DHTML typically involve combining? — HTML, CSS, and JavaScript
28. What does HTML stand for? — HyperText Markup Language
29. Which of the following is a key advantage of using XML for data? — It is platform-independent and human-readable.
30. Which of the following is a markup language used for structuring and displaying content on the World Wide Web? — HTML
31. Which of the following is a scripting language used for dynamic content generation on the server-side, often alongside Java Servlets? — JavaScript
32. Which scripting language is most commonly used for client-side web development? — JavaScript
33. What is the process of converting HTML, CSS, and JavaScript code into visual representations on a web page called? — Client-side rendering
34. Which of the following is a benefit of using Servlets over traditional CGI scripts? — Servlets are more efficient as they run within the server process and avoid process creation overhead.
35. What is a common characteristic of Java Applets that limits their modern usage? — They require a specific plugin (like Java Plugin) that is often disabled or unsupported by modern browsers.
36. What is the purpose of the `<head>` section in an HTML document? — To define links to external resources and meta-information
37. What is the purpose of the `<img>` tag in HTML? — To insert an image
38. What is the purpose of the `<a>` tag in HTML? — To create a hyperlink
39. What is the primary purpose of DHTML? — To add dynamic and interactive elements to web pages
40. What is the purpose of the `DOCTYPE` declaration in an HTML document? — To inform the browser about the HTML version being used
41. What is the purpose of the `title` tag in HTML? — To set the title that appears in the browser tab or window.
42. What is the primary role of CSS (Cascading Style Sheets) in DHTML? — To control the presentation and layout of HTML elements.
43. What is the primary function of JavaScript in DHTML? — To manipulate the Document Object Model (DOM) for dynamic changes
44. What is the main purpose of XML namespaces? — To provide a method for qualifying element and attribute names in an XML document, preventing naming conflicts.
45. What is the role of a Web Server in the context of Servlets? — To host and run the Servlet container, which manages Servlets.
46. What is the purpose of the `id` attribute in HTML? — To assign a unique identifier to an element for scripting or styling.
47. What is the purpose of a Servlet Container? — To manage the lifecycle and execution of Servlets and JSPs.
48. In Java Servlets, what is the `HttpServletResponse` object used for? — To send data back to the client as a response.
49. What is the role of a Servlet? — To process requests and generate responses on the server
50. What is the main advantage of using XML over HTML for data representation? — XML allows for custom tags, enabling semantic meaning.
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