Bombardier Transportation Senior Software Engineer Interview Questions and Answers

Q1. WPF related question, Oops basics and C#.
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Q2. SQL Server and PL/SQL questions
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Q1. Round interview promoted to 2 round but didn't get call
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Q1. C# Selenium Automation
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Q1. BDD Specflow Framework
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Q1. Project Details/ Framework overview
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Q1. About your family/Job
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Q1. Microservices vs monolithic
Ans. 
Microservices are modular and scalable, while monolithic is simpler but less flexible.
• Microservices allow for independent deployment and scaling of individual components

• Monolithic architecture is easier to develop and test, but can become unwieldy as the application grows

• Microservices can be more fault-tolerant and resilient to failures

• Monolithic architecture can be more efficient for small applications with limited fu...read more
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Q2. Difference between microservices and monolithic
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Microservices are small, independent services that communicate with each other, while monolithic is a single, self-contained application.
• Microservices are loosely coupled and can be developed and deployed independently.

• Monolithic applications are tightly coupled and require a full deployment for any changes.

• Microservices allow for better scalability and fault tolerance.

• Monolithic applications can be simpler to develop ...read more
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Q1. Zero one knapsack problem
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Zero one knapsack problem is a classic optimization problem in computer science.
• It involves selecting a subset of items with maximum value, subject to a weight constraint.

• It is a NP-hard problem and can be solved using dynamic programming.

• Examples include packing a backpack with limited weight capacity or selecting stocks for a portfolio with limited investment budget.
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Q2. 3 sum problem from leetcode
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Q1. Indexing a dictionary for faster search
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Indexing a dictionary for faster search
• Use hash tables for constant time lookup

• Consider using a trie for prefix search

• Sort the keys for binary search

• Use a balanced tree for range queries
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Q1. As python developer, basic questions asked and all concepts are to be explained to interviewwr with example
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Q1. Sql and python interview questions to solve in code editor.
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Q1. Related projects and my role into it
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Q1. HR explained about company policies and salary negotiation and notice period related things
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Q1. Oops concept and programing
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Q1. Problem solving and core concepts
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Q1. More on designs related
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Easy aptitude test they asked all basic questions.

Easy coding and technical round. C# questions.

Q1. Virtual is what type
Ans. 
Virtual is a type of function in C++
• Virtual functions are used in C++ to achieve polymorphism

• They are declared in a base class and overridden in derived classes

• Example: virtual void display() = 0;
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Q2. What is static keyword
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The static keyword in programming is used to declare variables, methods, or classes that belong to the class itself rather than instances of the class.
• Static variables retain their values across all instances of a class.

• Static methods can be called without creating an instance of the class.

• Static classes cannot be instantiated and are used for grouping related methods and variables.

• Example: 'static int count = 0;' decl
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Q1. Mcdc , vnv techniques, v model
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Q2. Oops concepts,ecp and bva
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Q3. C language, structures, unions , storage classes
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Q1. Package negotiation
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