Michelin Security Engineer 2 Interview Questions and Answers

Q1. Technical about c++, oops
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Q1. How would you preprocess the raw data
Ans. 
Preprocessing raw data involves cleaning, transforming, and organizing data to make it suitable for analysis.
• Remove any irrelevant or duplicate data

• Handle missing values by imputation or deletion

• Normalize or standardize numerical data

• Encode categorical variables using techniques like one-hot encoding

• Feature scaling for machine learning algorithms

• Perform text preprocessing like tokenization and stemming
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Q2. How would you specify a solution that has been already existing
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Specify the existing solution by documenting its architecture, components, technologies used, and any modifications made.
• Document the architecture of the solution, including high-level components and their interactions

• List the technologies used in the solution, such as programming languages, frameworks, and databases

• Describe any modifications or customizations made to the existing solution

• Include any performance metric...read more
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Coding test, on C, around 1 hr, on teams

Q1. C basics Embedded C Aptitude
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Aptitude ralated questions

To take one topic and explain

Q1. Taken by technical round
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Q1. What are your salary expectations?
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Q2. What is your family background?
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Q3. Share details of your previous job.
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Q4. Why should we hire you?
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Q5. Why are you looking for a change?
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Q6. Where do you see yourself in 5 years?
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Q7. What are your strengths and weaknesses?
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Q8. Tell me about yourself.
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Q9. Why are you interested this job
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Q1. Embedded qns and oops qns
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Q2. What is virtual function
Ans. 
A virtual function is a function in a base class that is declared using the keyword 'virtual' and can be overridden by a function with the same signature in a derived class.
• Virtual functions allow for dynamic polymorphism in object-oriented programming.

• They are used to achieve runtime polymorphism by allowing a function to be called based on the type of object it is called on.

• Virtual functions are declared in a base cl...read more
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Q3. What is polymorphism
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Polymorphism is the ability of a function or method to behave differently based on the object it is acting upon.
• Polymorphism allows objects of different classes to be treated as objects of a common superclass.

• It enables a single interface to be used for different data types or classes.

• Examples include method overloading and method overriding in object-oriented programming.
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Q4. Please don't attend this interview
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Q5. Idon'tknow hahab
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Q1. Diff b/w c and embedded c
Ans. 
Embedded C is a subset of the C programming language, specifically designed for programming embedded systems.
• Embedded C is optimized for resource-constrained systems with limited memory and processing power.

• It includes additional keywords and features for controlling hardware directly.

• Embedded C often involves working with microcontrollers, sensors, and other hardware components.

• Regular C can be used for general-purpos
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Q2. Diff b/w structure and union
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Structure is a collection of variables of different data types while union is a collection of variables of same data type.
• Structure allocates memory for all its variables while union allocates memory for only one variable at a time.

• Structure is used when we want to store different types of data while union is used when we want to store only one type of data.

• Structure is accessed using dot operator while union is access...read more
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