Scania Software Engineer Interview Questions and Answers

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
Ans. 
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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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
Ans. 
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. Explain V Cycle of SDLC.
Ans. 
V Cycle is a software development model where each phase is represented by a downward and upward slope forming a V shape.
• Requirements are gathered at the top left of the V, followed by design, implementation, testing, and deployment.

• Each phase has a corresponding testing phase to ensure quality at every step.

• The V Cycle allows for early detection and correction of defects.

• It is also known as the Verification and Valida
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Q2. What are the testing strategies?
Ans. 
Testing strategies are methods used to ensure software quality and identify defects.
• Types of testing include unit testing, integration testing, system testing, and acceptance testing.

• Other strategies include manual testing, automated testing, regression testing, and performance testing.

• Testing can also involve black box testing, white box testing, and gray box testing.

• Exploratory testing, usability testing, and securit...read more
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Assignments with Reasoning and maths etc.

Q1. Oracle security
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Q2. Oracle security architecture
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Q1. Oracle security depth
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Q1. About myself and package
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Coding test, on C, around 1 hr, on teams

Q1. C basics Embedded C Aptitude
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