Geeks Invention Interview Questions and Answers

Basic understanding of algorithms, concepts were verified in Hackerrank test

Q1. The technical discussion of 1 hour with single interviewer took place. Which was more focussed on verifying how good my skills are aligned to their expectations.
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Q2. How Eventloop works in NodeJs
Ans. 
Eventloop in NodeJs manages asynchronous operations by executing non-blocking code.
• Eventloop is a single-threaded loop that handles I/O operations asynchronously.

• It allows NodeJs to perform non-blocking operations by delegating I/O tasks to the system kernel.

• Eventloop processes tasks in a queue and executes them in a sequential order.

• Callbacks are used to handle the completion of asynchronous tasks.

• Example: setTimeout(...read more
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Q3. How efficiently we can use NodeJs in production environment
Ans. 
NodeJs can be efficiently used in production environments due to its non-blocking I/O, scalability, and large ecosystem of libraries.
• NodeJs uses non-blocking I/O which allows for handling multiple requests simultaneously, improving performance and scalability.

• NodeJs has a large ecosystem of libraries and frameworks that can be easily integrated to build robust applications.

• NodeJs supports clustering which enables load ...read more
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Q4. What are the various ways, two microservices can talk to each other. When to use which approach
Ans. 
Microservices can communicate through synchronous HTTP calls, asynchronous messaging, and event-driven architecture.
• Synchronous HTTP calls are suitable for simple request-response interactions between microservices.

• Asynchronous messaging is useful for decoupling services and handling high volumes of data.

• Event-driven architecture allows microservices to react to events and updates in real-time.

• Choose synchronous HTTP c...read more
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Q1. How do you stay updated with the latest technologies and industry trends?
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Q2. Can you explain a complex technical concept to a non-technical stakeholder?
Ans. 
Yes
• Start by understanding the stakeholder's background and knowledge level

• Break down the complex concept into simpler terms and use analogies or real-life examples

• Avoid technical jargon and use plain language

• Use visual aids or diagrams to enhance understanding

• Encourage questions and provide opportunities for clarification
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Q1. How do you communicate technical information to individuals who may not have a technical background?
Ans. 
I use clear and simple language, visual aids, and relatable examples to communicate technical information to non-technical individuals.
• Avoid using technical jargon and acronyms

• Break down complex concepts into smaller, easily understandable parts

• Utilize visual aids such as diagrams, charts, or infographics

• Provide relatable examples or analogies to explain technical concepts

• Encourage questions and actively listen to unde...read more
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Q2. Can you provide an example of a situation where you had to explain a technical decision to a non-technical team member?
Ans. 
Yes
• Explained the benefits of using cloud storage to a marketing team member

• Broke down the technical aspects of a software update to a project manager

• Clarified the implications of a cybersecurity measure to a finance team member
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Given a string, find the length of the longest substring without repeating characters.

Q1. In the technical round, questions covered both skills and web development knowledge. `
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Given an integer array, find the contiguous subarray with the largest product.

Q1. Skill-based questions and a focus on web development knowledge characterized the technical interview.
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