Siemens Industry Software (India) Interview Questions, Process, and Tips

Q1. Detail OOP concept with real life examples?
Ans. 
OOP is a programming paradigm based on the concept of objects, which can contain data in the form of fields and code in the form of procedures.
• OOP focuses on creating objects that interact with each other to solve problems

• Encapsulation: Objects can hide their internal state and require interaction through defined interfaces

• Inheritance: Objects can inherit attributes and methods from parent classes

• Polymorphism: Objects ...read more
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Q2. SQL query to find highest salary.
Ans. 
Use SQL query with MAX function to find highest salary.
• Use SELECT statement with MAX function to retrieve highest salary from salary column.

• Example: SELECT MAX(salary) FROM employees;

• Make sure to replace 'employees' with the actual table name where salary data is stored.
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Go with basic stuff clear, as for advanced stuff they are also not clear

Q1. Salary discussion
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Q2. What is your current CTC
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Q3. What is your expected CTC
Ans. 
My expected CTC is based on my experience, skills, and the market rate for Softwaretest Engineers.
• My expected CTC is in line with industry standards for Softwaretest Engineers.

• I have taken into consideration my years of experience and expertise in software testing.

• I am open to negotiation based on the overall compensation package offered by the company.
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Q4. Whay you decided to change Job
Ans. 
Seeking new challenges and opportunities for growth in a different environment.
• Desire for career advancement

• Interest in working with new technologies

• Seeking better work-life balance

• Company restructuring or downsizing

• Relocation to a new city
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Good sort of questions

Moderate questions are asked can be solved

Q1. Data Structures and Algorithms. Was asked to write a lift algorithm
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Q1. Aptitude Questions, Long term Goals
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Q1. Database design
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Q2. Third parties integration
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Q1. OOP and Design patterns
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Q1. What is a stack ? Write it implementation
Ans. 
A stack is a data structure that follows the Last In First Out (LIFO) principle.
• Stack is a collection of elements with two main operations: push (adds element) and pop (removes top element)

• Common implementations include using arrays or linked lists

• Example: Undo feature in text editors uses a stack to store previous states
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Q2. How could we optimize a stack optimization
Ans. 
Optimizing a stack involves reducing unnecessary operations and improving memory usage.
• Implementing tail call optimization to reduce stack space usage

• Using iterative algorithms instead of recursive ones to avoid stack overflow

• Minimizing the number of local variables stored on the stack

• Using dynamic memory allocation instead of fixed-size arrays to optimize memory usage
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Q1. Database query from 2 table without a common column
Ans. 
Use a JOIN statement to combine data from two tables without a common column.
• Use a JOIN statement to combine data from two tables based on a different column

• Specify the columns to select from each table in the query

• Use aliases to differentiate between columns with the same name in different tables
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Q2. Design a Flight booking system
Ans. 
Design a flight booking system with user authentication, flight search, booking, seat selection, and payment handling.
• Implement user authentication for secure access.

• Create a database of flights with availability and pricing.

• Allow users to search for flights based on criteria like date, destination, and number of passengers.

• Provide seat selection options for users during booking.

• Include a payment gateway for secure tra...read more
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