Datafortune Interview Questions and Answers for Experienced

Q1. Debugging Techniques, Types of Logs
Ans. 
Debugging techniques involve using logs to identify and fix issues in code.
• Types of logs include console logs, file logs, event logs, and trace logs.

• Debugging techniques include using breakpoints, stepping through code, and analyzing error messages.

• Logging frameworks like log4net and NLog can be used to generate logs for debugging purposes.
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Q2. Aptitude type questions
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Q3. Basic sql queries, sql injection
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Q4. Sessions and cookies
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Q1. Tell me about NodeJS Event Loop
Ans. 
NodeJS Event Loop is a mechanism that allows NodeJS to perform non-blocking I/O operations by offloading tasks to the system kernel.
• Event Loop is responsible for handling asynchronous operations in NodeJS.

• It allows NodeJS to perform multiple operations concurrently without blocking the execution.

• Event Loop continuously checks the event queue for any pending tasks and executes them in a non-blocking manner.

• NodeJS uses l...read more
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Q2. Previous organization work
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I worked at a software development company where I developed web applications for clients.
• Developed web applications using HTML, CSS, and JavaScript

• Collaborated with clients to gather requirements and provide updates on project progress

• Utilized version control systems like Git for code management
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Two written coding questions

Q1. JavaScript basic questions such as Functions
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Q2. React question such as hooks ,react life cycle
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First round was coding test. 4 coding questions were asked. Very basic string based questions were asked related to second most occurring character and sum and average of digits in given string. Functional composition based 2 questions.

Q1. This round was about technical discussion. They asked everything mentioned in resume like questions on HTML, CSS, JS, NodeJS, ExpressJS, ReactJS and MongoDB. Also asked questions on DBMS. As I had not stud...read more
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Q2. Output based questions on javascript
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Q1. Related to my web development learning process.
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Q1. Tell me about yourself?
Ans. 
I am a dedicated and detail-oriented business analyst with a strong background in data analysis and problem-solving.
• I have a Bachelor's degree in Business Administration

• I have experience in conducting market research and analyzing data to identify trends

• I am proficient in using tools like Excel, SQL, and Tableau for data analysis

• I have excellent communication skills and can effectively collaborate with cross-functional
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Q2. Some questions on project
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Case study analysis and on spot requirements documentation

Q1. What are your achievements?
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Q1. Explain your responsibilities in your previous role in your company
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Q1. ATG Endeca Spring boot microservices
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Q1. Java Oracle Commerce ATG AWS Kafka kubernate
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Q2. Microservices Oracle Commerce AWS Mongo DB
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