Air France - KLM Interview Questions and Answers

Medium leetcode question on array list

Q1. Core java and collections, exceptions and threading
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Q2. Core java collections
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Q3. Multi threading
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Q4. Executor framework
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Q1. Threading related questions
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Q1. Cloud migration steps and challenges.
Ans. 
Cloud migration involves planning, executing, and optimizing the process of moving data, applications, and workloads to a cloud environment.
• Assess current infrastructure and applications to determine what can be migrated to the cloud

• Choose the right cloud service provider based on requirements and budget

• Develop a migration plan including timelines, resources, and potential risks

• Execute the migration in phases to minimi...read more
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Q2. Technology stack of product
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The technology stack of the product includes Java, Spring Boot, Angular, and MySQL.
• Java

• Spring Boot

• Angular

• MySQL
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Q3. Which DB were used in your system?
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We used MySQL and MongoDB databases in our system.
• MySQL was used for structured data storage

• MongoDB was used for unstructured data storage
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Q4. How did your execute data pipelines?
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I executed data pipelines by designing the workflow, implementing data transformations, scheduling jobs, and monitoring performance.
• Designed the workflow for data pipelines to ensure efficient data processing

• Implemented data transformations using tools like Apache Spark or Python libraries

• Scheduled jobs to run at specific intervals for automated data processing

• Monitored performance of data pipelines to identify bottlen
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Q5. What is team velocity?
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Team velocity is a measure of the amount of work a team can complete in a sprint.
• Team velocity is calculated by summing up the story points completed in a sprint.

• It helps the team understand their capacity and plan future sprints accordingly.

• Velocity is not a measure of productivity but rather a guide for planning and forecasting.

• For example, if a team completes 30 story points in a sprint, their velocity is 30.
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Q1. Introduction, be prepared to have knowledge on your resume
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Q2. Mathematical questions like percentage
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Q3. Critical thinking. They asked a question with a given situation what you'll do .
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Q4. The past 4 days been climate be stroming . And current was cut off due to rain and flood , you have a important assignment to finish, what you'll do
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Q1. Types of Chunking in data preparation in RAG
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Q2. How Embedding works in Vector Databases
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Q3. Explain ARIMA model
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Q4. How can we decide to choose Linear Regression for a business problem
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Q1. What is token and it's limit for Open Source LLMs
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Q2. Difference of a Regression and Time Series problem
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Q3. Advantage of LSTM over RNN
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Q4. Performance Metrics for Logistic Regression
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Q1. Basic questions on python
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Q2. Difference between list tuple
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Q3. Area of room 6D
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Q4. Most emberacing situation u faced in your life
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Q5. Behavior questions like what will u do if this happens
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Q1. How do you keep up with multiple deadlines
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I prioritize tasks, use a calendar, break down tasks into smaller steps, and communicate with team members.
• Prioritize tasks based on deadlines and importance

• Use a calendar or task management tool to track deadlines

• Break down tasks into smaller steps to manage time effectively

• Communicate with team members to coordinate deadlines and workload
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Q2. Tell me about yourself
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I am a motivated and detail-oriented individual with a strong background in finance and a passion for problem-solving.
• Graduated with a degree in Finance from XYZ University

• Completed internships at ABC Investment Bank and DEF Consulting firm

• Proficient in financial modeling and analysis

• Strong communication and teamwork skills

• Passionate about finding innovative solutions to complex problems
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Q1. What is happening in the markets
Ans. 
The markets are currently experiencing volatility due to global economic uncertainty and geopolitical tensions.
• Global economic uncertainty, such as trade tensions between US and China, Brexit negotiations, and slowing growth in major economies

• Geopolitical tensions, including conflicts in the Middle East and North Korea's nuclear program

• Market reactions to central bank policies and interest rate changes

• Impact of COVID-1
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Q2. What do you know about our team
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Our team is known for its diverse expertise in various practice areas and strong collaborative culture.
• Diverse expertise in various practice areas

• Strong collaborative culture

• Known for delivering high-quality work efficiently
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Q1. Simple questions asked related to web forms
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Q1. Was asked to solve a question on trees which was leetcode minimum
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Q2. Some basic questions about solid and design principles
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Q1. Was asked to write recursive/looping solution for Fibonacci series. also asked to compare their respective time complexities.
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Q2. Discussions on your past experience and technologies you have worked with.
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Q1. SQL Questions, Basic HTML,CSS
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Q2. Related to your resume
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Q1. Analytical, Guesstimates
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Q2. Related to your past experiences and projects
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