Sourcefuse Technologies Interview Questions and Answers

Test have 5 sections Aptitude, Reasoning, Pseudo Code, Coding
They miss communication (English reasoning) after first test, they again mail about communication test mail.
Which is easy to search on google and find on chatGPT.

Q1. After 1 week got mail about Technical Round HR told me in this hiring we have 2 round of Technical Round. In Technical Interview: Formal Introduction About Internship (In my case) Tech stack used (in Proj...read more
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Q1. Explain with SQL tables how join work and What are inner join and Left join, Right join?
Ans. 
SQL joins combine rows from two or more tables based on a related column between them.
• Inner join returns rows when there is a match in both tables based on the join condition.

• Left join returns all rows from the left table and the matched rows from the right table.

• Right join returns all rows from the right table and the matched rows from the left table.
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Q1. Explain project
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Developed a scalable e-commerce platform using microservices architecture to enhance user experience and streamline operations.
• Utilized microservices architecture to improve scalability and maintainability.

• Implemented RESTful APIs for seamless communication between services.

• Integrated payment gateways like Stripe and PayPal for secure transactions.

• Employed Docker for containerization, ensuring consistent environments a...read more
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Q2. Hackerrank test
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Asked to create a BRD document, WBS, and wireframes for a to-do list mobile app

Q1. Questions based on past projects, experience, and agile.
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Q1. Detailed discussion on past projects, what's your favorite app and how will you improve it
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Q1. What do you understand by lvm?
Ans. 
LVM stands for Logical Volume Manager, a tool used in Linux to manage storage by creating logical volumes from physical volumes.
• LVM allows for dynamic resizing of logical volumes without downtime.

• It provides features like snapshots, striping, mirroring, and thin provisioning.

• Example: Creating a logical volume 'lv_data' from physical volume 'sda2'.
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Q2. Which command is use to see lvm?
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The command used to see LVM is 'lvdisplay'.
• Use 'lvdisplay' command to see information about logical volumes in LVM.

• You can also use 'lvscan' to scan all disks for LVM volumes.

• To see a list of all logical volumes, use 'lvs'.
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Q1. Tell me about your experience and issue you faced?
Ans. 
I have extensive experience in customer support, handling various issues and ensuring customer satisfaction.
• Managed a high volume of customer inquiries via phone and email, resolving issues efficiently.

• Faced challenges with irate customers; used active listening and empathy to de-escalate situations.

• Implemented a new ticketing system that improved response times by 30%.

• Trained new team members on best practices for cus...read more
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Q1. What is the architecture of Transformers?
Ans. 
Transformers are a type of neural network architecture designed for natural language processing, utilizing self-attention mechanisms.
• Self-Attention Mechanism: Allows the model to weigh the importance of different words in a sentence, enabling better context understanding.

• Multi-Head Attention: This technique allows the model to focus on different parts of the input simultaneously, improving its ability to capture relati...read more
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Q2. What is the life cycle of AI/ML projects?
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The AI/ML project life cycle involves stages from problem definition to deployment and monitoring for continuous improvement.
• Problem Definition: Clearly define the problem you want to solve, such as predicting customer churn in a subscription service.

• Data Collection: Gather relevant data from various sources, like user behavior logs or sales records, to train your model.

• Data Preprocessing: Clean and preprocess the data...read more
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Q1. What is the best project you've worked on?
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I developed a responsive web application for a local non-profit, enhancing their outreach and donation capabilities significantly.
• Implemented a user-friendly interface using React, improving user engagement by 30%.

• Integrated a secure payment gateway for donations, ensuring compliance with PCI standards.

• Utilized RESTful APIs to connect with external services for real-time data updates.

• Conducted user testing sessions, ga...read more
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Q2. Explain the end-to-end details of the technical workflow of one of your projects.
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Developed a web app for a task management system, focusing on user authentication, task creation, and real-time updates.
• User Authentication: Implemented OAuth 2.0 for secure login using Google and Facebook.

• Frontend Development: Utilized React for building a responsive UI, allowing users to create and manage tasks.

• Backend API: Developed RESTful APIs using Node.js and Express to handle task CRUD operations.

• Database Integ...read more
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Q3. Why you choose this technology for the task?
Ans. 
I chose this technology for its scalability, community support, and ease of integration with existing systems.
• Scalability: Technologies like React or Node.js can handle increased user loads efficiently.

• Community Support: Popular frameworks have extensive documentation and active communities, making troubleshooting easier.

• Integration: Technologies such as RESTful APIs allow seamless integration with other services and d...read more
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Q4. How would you approach slow DB queries?
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Q5. Explain newer features in ECMAScript.
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