YuppTV Backend Developer Interview Questions and Answers

I was given a case study to write multiple outputs by lookinginto a program.

Q1. How will you collect money when client is not answering calls or email?
Ans. 
I will try to reach out through other communication channels and escalate the issue if necessary.
• Attempt to contact the client through alternative methods such as text message or social media.

• Reach out to any other contacts provided by the client for emergencies.

• If all attempts fail, escalate the issue to a higher authority within the company for further action.
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Q2. Difference between Revenue and income
Ans. 
Revenue is the total amount of money generated by a business through its operations, while income is the profit earned after deducting expenses from revenue.
• Revenue is the total amount of money generated by a business from its sales of goods or services.

• Income is the profit earned by a business after deducting expenses such as salaries, rent, and utilities from revenue.

• Revenue is the top line of the income statement, w...read more
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In a room with shortlisted candidates

Q1. Background and subject of choice. I chose economocs
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Q1. Sql Query Sequence and basically asks the SqlServer Releted question and Webform Also.
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Q1. Difference between string and string builder.
Ans. 
String is immutable, while StringBuilder is mutable and more efficient for concatenating strings.
• String is immutable, meaning once created, its value cannot be changed. StringBuilder is mutable, allowing for modifications without creating new objects.

• String concatenation creates a new string object each time, while StringBuilder modifies the existing object directly.

• StringBuilder is more efficient for concatenating mul...read more
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Q2. What is async and await
Ans. 
Async and await are keywords in JavaScript used to work with asynchronous code.
• Async is used to define a function as asynchronous, allowing it to run in the background without blocking the main thread.

• Await is used to pause the execution of an async function until a Promise is settled, and then resumes the function with the resolved value.

• Async/await is a more readable and cleaner way to write asynchronous code compare...read more
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