NASDAQ QA Engineer Interview Questions and Answers for Experienced

Q1. About Java 8 concepts
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Q2. Spring boot questions
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3 programs to write in arrays linked lists and trees

Q1. Was asked questions on core Java, spring framework, apis and micro services
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Q1. What expertise will you bring to cme group of you join?
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Q2. Why are you quitting your current company?
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Quantitative interview

Java coding and c language

Q1. C language question
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Q2. Java language question
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Q1. What is credit default swaps?
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Credit default swaps are financial derivatives that allow investors to transfer credit risk.
• Credit default swaps (CDS) are contracts between two parties, where one party agrees to compensate the other party in the event of a default by a third party.

• They are used to hedge against the risk of default on loans or bonds.

• CDS can be bought or sold, and the buyer pays regular premiums to the seller in exchange for protection...read more
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Q2. Explain about money markets?
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Money markets are financial markets where short-term borrowing and lending of funds takes place.
• Money markets facilitate the trading of short-term debt securities such as Treasury bills, commercial papers, and certificates of deposit.

• They provide a platform for governments, financial institutions, and corporations to manage their short-term liquidity needs.

• Money market instruments typically have high liquidity and low ...read more
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Solve a system design problem in 1 hour

Q1. Search word in a file
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Search for a specific word in a file
• Read the file line by line

• Check each line for the search word

• Return the line number if word is found
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Q2. Design elevator system
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Design elevator system for efficient and safe transportation
• Consider the number of floors in the building

• Implement algorithms for efficient elevator routing

• Include safety features such as emergency stop buttons

• Design user interface for passengers to select floors

• Utilize sensors for detecting weight and preventing overloading
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Q1. Design A ticketinf system.
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Design a ticketing system for managing and tracking tickets.
• Create a user-friendly interface for users to submit tickets.

• Implement a system for assigning tickets to appropriate teams or individuals.

• Include a feature for tracking the status of tickets and updating users on progress.

• Allow for prioritization of tickets based on urgency or impact.

• Generate reports on ticket resolution times and overall performance.

• Integrate...read more
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Q1. Design a Parking Lot
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Design a parking lot system with features like parking, retrieving, and displaying available spots.
• Create a class for ParkingLot with attributes like total spots, available spots, and a list of parked vehicles.

• Implement methods for parking a vehicle, retrieving a vehicle, and displaying available spots.

• Use data structures like arrays or lists to manage parked vehicles and available spots.
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