Karbon Card Interview Questions and Answers

Q1. React vs Angular
Ans. 
React is a lightweight library for building user interfaces, while Angular is a full-fledged framework with more features.
• React is more flexible and allows for easier integration with other libraries and frameworks.

• Angular is opinionated and comes with a lot of built-in features like routing, forms, and HTTP client.

• React uses a virtual DOM for better performance, while Angular uses a real DOM.

• React is maintained by Fac...read more
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Q2. How is 'this' handled in arrow functions?
Ans. 
In arrow functions, 'this' is lexically scoped and does not have its own value.
• Arrow functions do not have their own 'this' value, they inherit 'this' from the enclosing lexical context.

• Arrow functions are useful when you want to preserve the value of 'this' from the surrounding code.

• Regular functions have their own 'this' value, which can change depending on how the function is called.
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Q3. Rotate an array by k
Ans. 
Rotate an array by k positions
• Create a new array and copy elements from original array starting from index k to the end, then copy elements from index 0 to k-1

• Alternatively, you can use array.splice() method to achieve the rotation

• Make sure to handle cases where k is greater than the array length by taking modulo operation
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Q4. Js output questions
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Create a todo list using React with the following functionalities:
1. input and an 'add todo' button
2. the created todo must have a delete, a completed, and a status (pending initially)
3. clicking complete will change the status to completed and remove the complete button

Q1. Typical behavioural questions asked in manager round
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Q2. How will you optimize your web application?
Ans. 
Optimizing a web application involves improving performance, speed, and user experience.
• Minify and compress CSS, JavaScript, and images to reduce load times

• Implement lazy loading for images and content to improve initial load time

• Use server-side rendering to improve SEO and initial load performance

• Optimize database queries and use caching to reduce server load

• Implement code splitting to only load necessary code for eac...read more
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Asked DSA questions. I was able to solve only one but still got promoted to round2

2 DSA questions again. Repeated the same question I got in round 1.Now,I was able to solve both.Got called for an interview

Q1. It is conducted by third party i.e., DashHire. Questions like 1.why is string immutable?Explain string constant pool 2.Exception handling in java 3.Exception handling in springboot 4.One dsa question on ha...read more
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Q1. On round 4 , it is design round,Asked me to design database for swiggy app.
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Initially you would have a normal Aptitude test on Hackrank website in which the most frequently asked Aptitude questions will be given

You will be assigned with a certain time period and access to only use google or websites but not GPT and maybe create a document or presentation or whatever on how do you create and organize a LinkedIn Outreach campaign

Again basic mathematical task on some sample data which is related to the role.

Q1. How do you want to join this company
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Q2. Being a technical background student why do you prefer this role
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Q3. How did you solve the tasks given in the previous rounds(like what approaches did you follow)
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Q4. Tell me about me your self.
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Q1. General questions
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Q1. General BD and sales related questions
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Q1. General work history and your personality, behaviour, etc
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Q1. Understanding about the role you are applying to
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Q1. Policies and Negotiations
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