NASDAQ Interview Questions and Answers

Q1. E-commerce system design
Ans. 
Designing an e-commerce system involves creating a platform for online buying and selling.
• Consider scalability to handle high traffic and transactions

• Implement secure payment gateways for safe transactions

• Include user-friendly interfaces for easy navigation

• Utilize recommendation engines for personalized shopping experiences
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Q2. Bookmyshow low level design
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Focus on little bit of dynamic programming

Q1. Apache spark architecture and ecosystem along with memory management
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Q2. SQL queries for manager salary
Ans. 
SQL queries can be used to retrieve and analyze manager salary data from a database.
• Use SELECT statement to retrieve salary data: SELECT salary FROM employees WHERE position = 'Manager';

• Aggregate functions like AVG can calculate average manager salary: SELECT AVG(salary) FROM employees WHERE position = 'Manager';

• Use GROUP BY to analyze salaries by department: SELECT department, AVG(salary) FROM employees WHERE position...read more
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Q3. Python decorators --> @
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Q4. RANK and other window functions
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Q5. Joins along with use case
Ans. 
Joins are used in SQL to combine rows from two or more tables based on a related column between them.
• Joins are used to retrieve data from multiple tables based on a related column

• Common types of joins include INNER JOIN, LEFT JOIN, RIGHT JOIN, and FULL JOIN

• Use cases for joins include combining customer data with order data, merging employee information with department details
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Q1. How to make a successful withdrawal and also recover lost funds
Ans. 
To make a successful withdrawal and recover lost funds, one must follow proper procedures and utilize available resources.
• Verify the account details and ensure all necessary information is correct before initiating the withdrawal.

• Contact the financial institution or platform where the funds were lost to report the issue and request assistance in recovering the funds.

• Utilize any available security features such as two-f...read more
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Q2. Here. I can teach you on how you successful withdraw your funds and also guide you on how you can recover stolen funds
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Q3. How to invest w
Ans. 
Investing wisely involves researching different investment options, setting financial goals, diversifying your portfolio, and seeking professional advice.
• Research different investment options to understand the risks and potential returns

• Set clear financial goals to determine your investment strategy

• Diversify your portfolio to spread risk across different asset classes

• Consider seeking advice from a financial advisor or ...read more
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Q4. How to recover lost funds
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Recovering lost funds involves thorough investigation, legal action, and negotiation with debtors.
• Conduct a thorough investigation to determine the cause of the loss

• Take legal action against debtors who refuse to repay the funds

• Negotiate with debtors to come up with a repayment plan

• Utilize debt collection agencies or legal services if necessary
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Q5. Lost funds recovery
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Q6. Scam recovery site
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Q7. Lost funds recover
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Q8. Lost funds recov
Ans. 
Recovering lost funds involves identifying, tracking, and reclaiming misallocated or stolen financial resources.
• Identify the source of the lost funds, such as fraud or clerical errors.

• Gather all relevant documentation, including transaction records and communications.

• Engage with financial institutions to trace and recover funds, like filing a dispute with a bank.

• Utilize legal avenues if necessary, such as reporting to ...read more
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Q9. How to withdraw
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Q1. Tell me about yourself
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Q2. Por==roject role?
Ans. 
In a project role, I contribute to software development, collaborating with teams to deliver high-quality solutions on time.
• Collaborated with cross-functional teams to define project requirements and scope.

• Led the development of a feature that improved user experience by 30%.

• Participated in code reviews to ensure code quality and adherence to best practices.

• Utilized Agile methodologies to manage project timelines and d...read more
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