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Elevate k-12 Interview Questions and Answers
Ques:- What is a Database Server?
Right Answer:
A Database Server is a server that provides database services to other computer programs or computers, allowing them to store, retrieve, and manage data in a structured way.
Ques:- What is the difference between vb and vb.net ?
Asked In :- elevate k-12,
Right Answer:
VB (Visual Basic) is a programming language that is primarily used for creating Windows applications and is based on the older BASIC language. VB.NET, on the other hand, is an object-oriented programming language that is part of the .NET framework, allowing for more advanced features such as inheritance, interfaces, and better integration with other .NET languages. VB.NET also supports modern programming practices and is designed for web and desktop applications, while VB is more limited in functionality and scope.
Ques:- In the following figure: A D B G E C FEach of the seven digits from 0, 1, 2, 3, 4, 5, 6, 7, 8, and 9 is: a)Represented by a different letter in the figure above. b)Positioned in the figure above so that A*B*C,B*G*E, and D*E*F are equal.Which digit does G represent?
Asked In :- elevate k-12,
Right Answer:
G represents the digit 2.
Ques:- What is the diffrence between HTML & DHTML…?
Right Answer:
HTML (HyperText Markup Language) is a static markup language used to create the structure of web pages, while DHTML (Dynamic HTML) is an extension of HTML that allows for dynamic changes to the content and layout of a web page using a combination of HTML, CSS, and JavaScript.
Ques:- Document Style Semantics and Specification Language (DSSSL)?
Right Answer:
Document Style Semantics and Specification Language (DSSSL) is a language used for specifying the style and formatting of documents written in SGML (Standard Generalized Markup Language) and XML. It allows for the separation of content from presentation, enabling the transformation and rendering of documents in various formats.
Ques:- Three selectors: h1, .warning and #footer, what they do ?
Right Answer:
The selector `h1` targets all `<h1>` elements, `.warning` targets all elements with the class "warning", and `#footer` targets the element with the ID "footer".
Ques:- HOW we can use css
Right Answer:
CSS can be used by linking a stylesheet to an HTML document using the `<link>` tag in the `<head>` section, by embedding styles directly within a `<style>` tag in the `<head>`, or by applying inline styles directly to HTML elements using the `style` attribute.
Ques:- What is responsive design and how do you implement it
Right Answer:
Responsive design is an approach to web development that ensures a website looks and functions well on various devices and screen sizes. It is implemented using flexible grid layouts, fluid images, and CSS media queries to adapt the layout and content based on the device's screen size and orientation.
Ques:- What are some popular frontend frameworks and libraries
Right Answer:
Some popular frontend frameworks and libraries are:

1. React
2. Angular
3. Vue.js
4. Svelte
5. Bootstrap
6. jQuery
7. Ember.js
8. Backbone.js
Ques:- What are event bubbling and event delegation in JavaScript
Right Answer:
Event bubbling is a JavaScript event propagation method where an event starts from the target element and bubbles up to its ancestors in the DOM hierarchy. Event delegation is a technique that involves attaching a single event listener to a parent element to manage events for multiple child elements, leveraging event bubbling to handle events efficiently.
Ques:- What is the difference between frontend and backend development
Right Answer:
Frontend development refers to the part of a website or application that users interact with directly, including the layout, design, and user interface. Backend development involves the server-side, focusing on databases, server logic, and application functionality that users do not see.
Ques:- How does a web server handle an HTTP request
Right Answer:
A web server handles an HTTP request by following these steps:

1. **Receive Request**: The server listens for incoming HTTP requests on a specific port (usually port 80 for HTTP or port 443 for HTTPS).
2. **Parse Request**: It parses the request to extract the method (GET, POST, etc.), URL, headers, and body.
3. **Process Request**: The server determines how to respond based on the request. This may involve retrieving files, querying a database, or executing server-side scripts.
4. **Generate Response**: It creates an HTTP response, which includes a status code (like 200 for success), headers, and the requested content (like HTML, JSON, etc.).
5. **Send Response**: The server sends the response back to the client (usually a web browser) over the network.
6. **Log Request**: Optionally, the server logs the request details for monitoring and analysis.
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