Extrieve Technologies Interview Questions and Answers

Q1. Generic Entry Level question
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Q1. About your past employment
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An assignment related to your job to verify whether you truly possess the required skills.

Q1. Again, another personal interview with the Senior Manager
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Q1. Can you provide details about the projects listed on your resume?
Ans. 
I have worked on various projects including a social media platform, an e-commerce website, and a task management application.
• Developed a social media platform using React for frontend and Node.js for backend

• Designed and implemented an e-commerce website with payment gateway integration

• Created a task management application using Angular and MongoDB for database
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Q2. What are the main concepts of Object-Oriented Programming (OOP)?
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Main concepts of OOP include encapsulation, inheritance, polymorphism, and abstraction.
• Encapsulation: Bundling data and methods that operate on the data into a single unit (object).

• Inheritance: Creating new classes based on existing classes, allowing for code reuse.

• Polymorphism: Objects of different classes can be treated as objects of a common superclass.

• Abstraction: Hiding complex implementation details and showing o
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Q1. Life cycle of thread
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Thread life cycle includes new, runnable, running, blocked, and terminated states.
• Thread is created in 'new' state

• It becomes 'runnable' when start() method is called

• Thread enters 'running' state when CPU starts executing its run() method

• It can go to 'blocked' state if it's waiting for a resource

• Finally, thread reaches 'terminated' state when run() method completes or stop() method is called
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Q2. İnternal working of hash map
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Hash map is a data structure that stores key-value pairs and uses a hash function to map keys to their corresponding values.
• Hash map consists of an array of buckets, each containing a linked list of key-value pairs.

• When inserting a key-value pair, the hash function is used to determine the index of the bucket where the pair should be stored.

• To retrieve a value, the hash function is used to find the corresponding bucket...read more
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Q1. Salary expectations
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Q2. Why I want to change the job
Ans. 
Seeking new challenges, growth opportunities, and a better work-life balance.
• Looking for new challenges and opportunities to learn and grow

• Seeking a better work-life balance

• Interested in working with new technologies or in a different industry

• Wanting to advance career progression
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Q1. WHAT IS DERIVATIVES
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Derivatives are financial instruments whose value is derived from an underlying asset or group of assets.
• Derivatives can be used for hedging, speculation, or arbitrage.

• Examples of derivatives include options, futures, forwards, and swaps.

• Derivatives allow investors to take on risk or hedge against risk in the financial markets.
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Q2. HOW ECONOMIC CHANGES AFFECT MARKET
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Economic changes can have a significant impact on the market by influencing consumer behavior, investor sentiment, and overall business performance.
• Changes in interest rates can affect borrowing costs for businesses and consumers, impacting spending and investment decisions.

• Fluctuations in currency exchange rates can impact the competitiveness of exports and imports, affecting international trade.

• Changes in government ...read more
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