Zidio Development Junior Web Developer Intern Interview Questions and Answers

Q1. Use a question cirecle or breifcase icon to symbolize interview-related content
Ans. 
Use a briefcase icon to represent professionalism and a question circle for inquiries in interviews.
• A briefcase icon symbolizes professionalism, often associated with business and career.

• A question circle icon represents inquiries, curiosity, and the quest for information.

• Incorporating these icons in interview materials can enhance clarity and engagement.

• For example, use a briefcase icon on a resume to signify work exp...read more
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Q2. How does react's virtual DOM work,and how does it impact rendering performance in complex UIs like a drag-and-dropcanvas?
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Q3. What is component in react?
Ans. 
A component in React is a reusable piece of UI that manages its own state and renders based on props.
• Components can be functional or class-based.

• Functional components are simpler and often use hooks for state management.

• Class components have lifecycle methods and can manage their own state.

• Example of a functional component: const MyComponent = () => <div>Hello World</div>;

• Example of a class component: cl...read more
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Q1. What tag is used to create a hyperlink in HTML?
Ans. 
The <a> tag in HTML is used to create hyperlinks, allowing users to navigate between web pages or resources.
• <a href='https://www.example.com'>Visit Example</a> creates a link to Example.com.

• The 'href' attribute specifies the URL of the page the link goes to.

• You can use 'target="_blank"' to open the link in a new tab.

• The text between the <a> tags is what users click on.
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Q2. What frameworks are commonly used for web development?
Ans. 
Web development frameworks streamline the process of building websites and applications, enhancing efficiency and functionality.
• React.js - A JavaScript library for building user interfaces, particularly single-page applications.

• Angular - A platform for building mobile and desktop web applications using TypeScript.

• Vue.js - A progressive framework for building user interfaces, known for its simplicity and flexibility.

• Dja...read more
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Q1. What is web development?
Ans. 
Web development is the process of creating and maintaining websites, encompassing various aspects like design, coding, and content management.
• Front-end development focuses on the visual aspects of a website, using technologies like HTML, CSS, and JavaScript.

• Back-end development involves server-side programming, databases, and application logic, often using languages like PHP, Python, or Ruby.

• Full-stack development comb...read more
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Q2. What does the term "Full Stack" refer to in web development?
Ans. 
Full Stack refers to a web developer's ability to work on both front-end and back-end technologies.
• Front-end development involves creating the user interface using technologies like HTML, CSS, and JavaScript.

• Back-end development focuses on server-side logic, databases, and application architecture, using languages like Node.js, Python, or Ruby.

• Full Stack developers can manage databases (e.g., MySQL, MongoDB) and server...read more
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Q1. Opps concepts, DSA algorithm
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3 hours coding test and majorly focus on javascript.

Q1. Coding questions from c, java and python
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Q2. Basic Database related questions
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Q1. Find the second most occurrence if string in JavaScript
Ans. 
Find the second most occurrence of a string in an array of strings in JavaScript.
• Create a map to store the count of each string in the array

• Sort the map by values in descending order to find the most occurrence

• Return the key of the second element in the sorted map
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Before Aptitude Test, There was a telephonic interview round in which they test your communication and ask questions about your education and projects. You just have to show your confidence to pass this round. After that, the aptitude test was quite easy. There are 15 questions all are doable in just 15 to 20 minutes of time span.

After that, The coding round takes place in which they provide you with a device with an online compiler of your preferred programming language and ask you to solve 4 questions without using any built-in function. The questions are based on Linked Lists, Stacks, Arrays, etc. You have to do it all manually. This round lasts up to 1 hour.

Q1. The technical round takes place in which they ask different questions from your coding round, a few concept-based ones, and also a few questions to test your thinking and problem-solving abilities like the...read more
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