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NASDAQ Interview Questions and Answers
14 Interview questions
Heap and thread dumps can be collected using various tools and commands to analyze Java application performance.
Use jmap to create a heap dump: `jmap -dump:live,format=b,file=heapdump.hprof <pid>`.
Use jstack to collect thread dumps: `jstack <pid> > threaddump.txt`.
Enable heap dumps on OutOfMemoryError by adding `-XX:+HeapDumpOnOutOfMemoryError` to JVM options.
Use VisualVM or JConsole for GUI-based m...
Airflow logs can be accessed via the web UI, CLI, or directly from the log files on the server.
Access logs through the Airflow web UI by navigating to the specific DAG and task instance.
Use the command line interface (CLI) with the command: `airflow tasks logs <dag_id> <task_id> <execution_date>`.
Logs are stored in the `logs` directory of your Airflow home, typically found at `~/airflow/logs/`.
Yo...
Basic bugs in calculator program include incorrect calculation results, input validation issues, and handling of edge cases.
Incorrect calculation results due to rounding errors or improper order of operations
Input validation issues such as allowing non-numeric characters or dividing by zero
Handling of edge cases like large numbers, negative numbers, or overflow/underflow
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 pos...
What people are saying about NASDAQ
Separate 0s and 1s in the given array
Iterate through the array and count the number of 0s and 1s
Create two separate arrays, one for 0s and one for 1s
Add the elements to their respective arrays based on their values
Return the two arrays as the result
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 adviso...
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
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 reportin...
DevOps is a software development approach that combines development and operations teams to streamline the software delivery process.
DevOps emphasizes collaboration, communication, and automation.
It involves continuous integration and continuous delivery (CI/CD) pipelines.
DevOps teams use tools like Docker, Kubernetes, and Jenkins to automate processes.
DevOps also involves monitoring and feedback loops to improve ...
Explaining OOP concepts, troubleshooting slowness, and thread life cycle in a technical context.
OOP concepts: Encapsulation, Inheritance, Polymorphism, and Abstraction.
Example of Encapsulation: Using classes to hide data and expose methods for interaction.
Inheritance example: A 'Vehicle' class with 'Car' and 'Bike' subclasses inheriting common properties.
Polymorphism example: A method that behaves differently base...
NASDAQ Interview Experiences
22 interviews found
Anonymous
I applied via LinkedIn and was interviewed in May 2024. There was 1 interview round.
(2 Questions)
- 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
- Q2. Bookmyshow low level design
Skills evaluated in this interview
Aman Sharma
I applied via LinkedIn and was interviewed in Feb 2024. There were 2 interview rounds.
Focus on little bit of dynamic programming
(5 Questions)
- Q1. Apache spark architecture and ecosystem along with memory management
- 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...
- Q3. Python decorators --> @
- Q4. RANK and other window functions
- 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
Skills evaluated in this interview
Selected
I appeared for an interview in Jan 2025, where I was asked the following questions.
- Q1. Why nasdaq and why this role
- Q2. What is your experience with python and sql
I applied via Referral and was interviewed in Dec 2023. There was 1 interview round.
(9 Questions)
- 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...
- Q2. Here. I can teach you on how you successful withdraw your funds and also guide you on how you can recover stolen funds
- Q3. How to invest w
- Q4. How to recover lost funds
- Ans.
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
- Q5. Lost funds recovery
- Q6. Scam recovery site
- Q7. Lost funds recover
- 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 ...
- Q9. How to withdraw
Interview Preparation Tips
Selected
I appeared for an interview in Nov 2024, where I was asked the following questions.
- Q1. Tell me about yourself
- Q2. Por==roject role?
I appeared for an interview in Sep 2024.
DSA, Hashmap, OOPS, Job Role, Project
I applied via Campus Placement and was interviewed in Jan 2024. There were 2 interview rounds.
Coding test was around 2hrs. Mcq was given. An coding questions in c,js,c++,python and sql
Questions were very easy
(2 Questions)
- Q1. Basic python question
- Q2. Sql queries and linux commands, and some situation type questions
I applied via Job Portal and was interviewed before Sep 2023. There were 2 interview rounds.
(1 Question)
- Q1. Some questions on java,python
(2 Questions)
- Q1. Method overloading and method overriding
- Q2. What are basic bug we face when we write calculator program
- Ans.
Basic bugs in calculator program include incorrect calculation results, input validation issues, and handling of edge cases.
Incorrect calculation results due to rounding errors or improper order of operations
Input validation issues such as allowing non-numeric characters or dividing by zero
Handling of edge cases like large numbers, negative numbers, or overflow/underflow
Interview Preparation Tips
- Basic concepts
I applied via Naukri.com and was interviewed in Dec 2023. There was 1 interview round.
(1 Question)
- Q1. 1.Transient ,Scoped,Singleton with all different use case. Scoped with transient combination questions. 2.String and string builder in detail and performance impact 3.Logging ,Exception handling etc 4.Sche...
I applied via Approached by Company and was interviewed in Mar 2024. There was 1 interview round.
Multiple choice Questions were based on java 8 and having time limit of up to 20 seconds and there are 2 very basic java coding question on string and looping
NASDAQ Interview FAQs
The duration of NASDAQ interview process can vary, but typically it takes about 2-4 weeks to complete.
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NASDAQ Interviews By Designations
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