Air France - KLM Interview Questions and Answers

Normal mathical questions

Q1. Behavioral questions such as weakness and strength
Add your answer
Q2. What do you know about AA?
Ans. 
AA stands for Alcoholics Anonymous, a support group for individuals struggling with alcohol addiction.
• AA is a 12-step program that emphasizes spiritual growth and personal accountability.

• Meetings are held regularly and are open to anyone seeking help with alcohol addiction.

• Anonymity is a key principle of AA, and members are encouraged to maintain confidentiality.

• Sponsorship is also an important aspect of AA, where expe...read more
Answered by AI
Add your answer
Q3. About previous projects
Add your answer

It was more of a discussion of the project I worked on, and the technologies I used...They asked me two basic SQL questions (it is a full stack position, though), and also about the Azure cloud platform.

Q1. Difference between Virtual DOM and DOM
Ans. 
Virtual DOM is a lightweight copy of the actual DOM, used for efficient updates in web applications.
• Virtual DOM is a concept used in frameworks like React to improve performance by minimizing actual DOM manipulations.

• Changes are first made to the Virtual DOM, then compared with the actual DOM to determine the minimal updates needed.

• This process reduces the number of expensive DOM operations, resulting in faster renderi
Answered by AI
Add your answer
Q2. Difference between Angular and React
Ans. 
Angular is a full-fledged framework for building web applications, while React is a JavaScript library for building user interfaces.
• Angular is a complete framework with built-in features like routing, forms, and HTTP client.

• React is a library focused on building UI components and managing state.

• Angular uses two-way data binding, while React uses one-way data flow.

• Angular uses TypeScript by default, while React uses Jav...read more
Answered by AI
Add your answer

Q1. About projects mainly
Add your answer

SDLC, Core Programming Langage, Agile, Architectures

Q1. Mostly Related to technology u r working on.
Add your answer

Q1. Explain RANKX function in power bi
Ans. 
RANKX function in Power BI is used to calculate the ranking of a value in a specified column.
• RANKX function assigns a rank to each row in a table based on a specified expression.

• It can be used to rank sales performance, customer satisfaction scores, etc.

• Syntax: RANKX(table, expression, [value], [order], [ties])

• Example: RANKX(Sales, Sales[Revenue], , DESC, Dense)
Answered by AI
Add your answer

Multiple programming languages ex python, JavaScript, Java, Cloud formation

Q1. What are the aws services worked on
Ans. 
I have worked on various AWS services including EC2, S3, RDS, Lambda, and CloudFormation.
• EC2

• S3

• RDS

• Lambda

• CloudFormation
Answered by AI
Add your answer
Q2. Tell about troubleshooting skills in aws
Ans. 
Troubleshooting skills in AWS involve identifying and resolving issues with cloud services and infrastructure.
• Ability to analyze logs and metrics to identify root causes of issues

• Experience with AWS monitoring tools like CloudWatch and X-Ray

• Knowledge of AWS service limits and best practices for optimizing performance

• Familiarity with AWS support options and escalation procedures
Answered by AI
Add your answer
Q3. What is the approach if you get new task
Ans. 
I prioritize tasks based on deadlines, complexity, and impact on overall project goals.
• Assess the deadline for the task and prioritize accordingly

• Evaluate the complexity of the task and allocate resources accordingly

• Consider the impact of the task on the overall project goals
Answered by AI
Add your answer

Q1. Aws architect level
Ans. 
An AWS architect level question
• Understand the AWS Well-Architected Framework

• Have experience designing scalable and cost-effective AWS solutions

• Familiarity with various AWS services like EC2, S3, RDS, etc.
Answered by AI
Add your answer
Q2. What is the recent aws services you used
Ans. 
I have recently used AWS Lambda, AWS S3, and AWS RDS services.
• AWS Lambda for serverless computing

• AWS S3 for object storage

• AWS RDS for managed relational databases
Answered by AI
Add your answer
Q3. Explain the services how you used in your application in recently
Add your answer
Q4. What is Aws lambda and how will you communicate to s3 in cross account
Ans. 
AWS Lambda is a serverless computing service that runs code in response to events and automatically manages the computing resources required.
• AWS Lambda is event-driven and allows you to run code without provisioning or managing servers.

• To communicate with S3 in a cross-account scenario, you can use IAM roles and policies to grant necessary permissions.

• Create a role in the account where the Lambda function resides with ...read more
Answered by AI
Add your answer
Q5. What is the best approach to cost optimization
Ans. 
The best approach to cost optimization involves identifying inefficiencies, prioritizing cost-saving opportunities, and implementing strategic solutions.
• Conduct a thorough analysis of current expenses to identify areas of inefficiency

• Prioritize cost-saving opportunities based on potential impact and feasibility

• Implement strategic solutions such as renegotiating contracts, optimizing processes, or investing in technolog...read more
Answered by AI
Add your answer
Q6. What is aws landing zones and control tower
Ans. 
AWS Landing Zones and Control Tower are AWS solutions for setting up and managing secure, multi-account AWS environments.
• AWS Landing Zones is a solution that helps customers set up a secure, multi-account AWS environment based on AWS best practices.

• AWS Control Tower is a service that provides the easiest way to set up and govern a secure, multi-account AWS environment based on AWS best practices.

• Both Landing Zones and ...read more
Answered by AI
Add your answer
Q7. How will it work control tower and landing zones
Ans. 
Control towers manage air traffic and guide planes to designated landing zones.
• Control towers communicate with pilots to provide instructions for takeoff, landing, and taxiing.

• Landing zones are designated areas on the runway where planes touch down and come to a stop.

• Control towers use radar and communication systems to monitor and coordinate the movement of aircraft.

• Efficient communication and coordination between con...read more
Answered by AI
Add your answer
Q8. How transit gate ways work
Ans. 
Transit gateways are network devices that connect different networks and control the flow of traffic between them.
• Transit gateways act as a bridge between different networks, such as connecting an on-premises network to a cloud network.

• They enforce security policies and perform routing functions to direct traffic to the appropriate destination.

• Transit gateways can also provide network address translation (NAT) services...read more
Answered by AI
Add your answer

Q1. Why do you want join Delta Airlines
Add your answer
Q2. What is your expectation from Delta Airlines
Add your answer
Q3. What is your strength
Add your answer

Q1. Performance related
Add your answer
Q2. Oracle architecture like multitenant, golden gate
Add your answer

It was a SQL and Excel assignment

Q1. SQL , python questions
Add your answer