AIRBUS Interview Questions and Answers

Q1. What is Ensemble learning
Ans. 
Ensemble learning is a machine learning technique where multiple models are combined to improve the overall performance.
• Ensemble learning helps to reduce overfitting and increase accuracy by combining the predictions of multiple models.

• Examples of ensemble learning methods include Random Forest, Gradient Boosting, and AdaBoost.

• Each model in an ensemble may use different algorithms or subsets of the training data to mak...read more
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Q2. Difference between boosting and bagging
Ans. 
Boosting and bagging are both ensemble learning techniques used to improve the performance of machine learning models.
• Boosting focuses on improving the performance of a single model by training multiple models sequentially, where each model corrects the errors of its predecessor.

• Bagging, on the other hand, involves training multiple models independently and then combining their predictions through averaging or voting.

• B...read more
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Basic leetcode problems

Q1. Basic java questions
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Q1. Find the second highest salary in sql
Ans. 
Use SQL query with ORDER BY and LIMIT to find the second highest salary.
• Use SELECT statement to retrieve salary column from the table.

• Use ORDER BY clause to sort the salaries in descending order.

• Use LIMIT 1,1 to get the second highest salary.
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Q2. Check duplicate rows using sql, group by, window function.
Ans. 
Use SQL query with GROUP BY and window function to check for duplicate rows.
• Use GROUP BY to group rows with same values together

• Use COUNT() function to count the number of occurrences of each group

• Use window function like ROW_NUMBER() to assign a unique number to each row within a group
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Q1. Filter badi, brf
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Q1. Tell me about your self
Ans. 
I am a motivated and detail-oriented individual with a passion for learning and problem-solving.
• I have a strong work ethic and enjoy taking on new challenges.

• I have experience in [relevant field or industry].

• I am proficient in [specific skills or software].

• I am a team player and enjoy collaborating with others.

• I am eager to continue growing and developing both personally and professionally.
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Q1. Tell me about your self
Ans. 
I am a motivated and detail-oriented individual with a passion for learning and problem-solving.
• I have a strong work ethic and am always eager to take on new challenges.

• I have experience in various internships where I have honed my skills in research, analysis, and communication.

• I am a quick learner and adapt well to new environments and tasks.

• I am currently pursuing a degree in [Your Field of Study] at [Your Universit...read more
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Q2. What do you know about surface treatment
Ans. 
Surface treatment is a process used to modify the surface of a material to improve its properties or appearance.
• Surface treatment can involve cleaning, etching, coating, or plating the surface of a material.

• Common methods of surface treatment include anodizing, electroplating, and powder coating.

• Surface treatment can improve properties such as corrosion resistance, wear resistance, and adhesion.

• Examples of surface trea...read more
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Q1. They will ask everything written on your resume
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Q2. Difference between DO-178 B and C
Ans. 
DO-178C updates DO-178B with improved guidance, clarifications, and new objectives for software verification and validation.
• DO-178C introduces new software verification objectives, enhancing the rigor of testing.

• It includes additional guidance on model-based development and formal methods.

• DO-178C provides clearer definitions of software levels and their corresponding requirements.

• The new standard emphasizes the importa...read more
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