IBM Interview Questions, Process, and Tips

Python and sql tasks

Q1. Project related questions
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Q2. Coding questions on pyspark windows
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Q1. Managerial discussions, mostly in and around the previous projects
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It was a hacker coding test mostly javascript questions

Q1. React advance concept
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Q2. Context api how to use that
Ans. 
Context API is a feature in React that allows sharing data between components without having to pass props manually.
• Create a context using createContext() method

• Use the Provider component to wrap the components that need access to the context

• Access the context data using the useContext() hook within the consuming components
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Q3. Higher order component
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Q1. Mainly introduction, how do you manage a project
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Q2. How to debug a code
Ans. 
Debugging a code involves identifying and fixing errors in the code to ensure it runs correctly.
• Use console.log() statements to print out values and check for errors

• Utilize browser developer tools to inspect elements and debug JavaScript

• Step through the code using breakpoints to identify the source of the issue

• Review error messages and stack traces to pinpoint the problem

• Consider using tools like linters and debuggers
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Q3. How to get employee details using group by
Ans. 
Employee details can be retrieved using group by clause in SQL.
• Use GROUP BY clause in SQL to group employee details based on a specific column

• Aggregate functions like COUNT, SUM, AVG can be used with GROUP BY to get summarized employee details

• Example: SELECT department, COUNT(*) as total_employees FROM employees GROUP BY department
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Q1. Tell me about yourself, do you know anything about DITA, tell me if you face any difficulty to gather information from SME what approach would you follow despite not able to get information via frequent fo...read more
Ans. 
I am a technical writer with experience in DITA. I have faced challenges gathering information from SMEs.
• I have experience working with DITA, a structured authoring standard for technical documentation.

• I have encountered difficulties in gathering information from subject matter experts (SMEs) in the past.

• In such situations, I would try different approaches such as scheduling regular meetings, sending follow-up emails, ...read more
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Q2. What kind of approach do you follow for your documentation process, what do you like about technical writing.
Ans. 
I follow a structured approach for documentation process, focusing on clarity and user-friendliness. I enjoy the challenge of simplifying complex technical information.
• I start by understanding the target audience and their needs.

• I create an outline or structure for the documentation before diving into writing.

• I focus on using clear and concise language, avoiding jargon whenever possible.

• I incorporate visuals like scree...read more
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Q1. Why do you want to join Quest
Ans. 
I want to join Quest because of its reputation for innovation and commitment to excellence in the industry.
• Quest is known for its cutting-edge technology and solutions

• I admire Quest's dedication to providing top-notch services to its clients

• I believe Quest offers a great opportunity for professional growth and development
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Q2. Tell me more about your work experience
Ans. 
I have over 5 years of experience in data analysis and reporting for a Fortune 500 company.
• Managed and analyzed large datasets to identify trends and make data-driven recommendations

• Created detailed reports and presentations for senior management

• Utilized various data analysis tools such as Excel, SQL, and Tableau

• Collaborated with cross-functional teams to improve data accuracy and efficiency
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Q1. Job specific questions
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Q2. General discussion
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Q1. General discussion
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Q1. Asked about data tools other than AWS services
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Q2. When did you use HUDI and Iceberg
Ans. 
I have used HUDI and Iceberg in my previous project for managing large-scale data lakes efficiently.
• Implemented HUDI for incremental data ingestion and managing large datasets in real-time

• Utilized Iceberg for efficient table management and data versioning

• Integrated HUDI and Iceberg with Apache Spark for processing and querying data
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Q1. Basic javascript questions
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Q2. Difference between useCallback and useMemo hooks ?
Ans. 
useCallback is used to memoize functions, while useMemo is used to memoize values.
• useCallback is used to memoize functions to prevent unnecessary re-renders.

• useMemo is used to memoize the result of an expensive computation.

• Both hooks help optimize performance by memoizing values.

• Example: useCallback can be used to memoize event handler functions.

• Example: useMemo can be used to memoize the result of a complex calculatio
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Q1. React JS scenario based question , how to implement certain requirements
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Q2. Previous project , the challenges faced
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