Siemens Interview Questions, Process, and Tips

After the resume screening, the shortlisted candidates were sent a link to the test which was scheduled a few days later. The test had 2 sections - Technical and Aptitude MCQs, and a Coding section.

The Coding test had 2 easy-medium level questions. They were fairly easy to complete, and I successfully passed all test-cases.

Q1. Tell me about any of the projects on your resume.
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Q2. Explain the working of Bubble Sort (I had to pen down the pseudo-code, but others were asked to write the code as well).
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Q3. Explain the working of Insertion Sort.
Ans. 
Insertion Sort is a simple sorting algorithm that builds the final sorted array one item at a time.
• Start from the second element and compare it with the previous elements to find its correct position in the sorted array.

• Repeat this process for all elements in the array.

• Example: Given array of strings ['banana', 'apple', 'orange'], after insertion sort it becomes ['apple', 'banana', 'orange'].
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Q4. How would you find the maximum and second-maximum numbers in an array? (Pseudo-code)
Ans. 
Use a loop to iterate through the array and keep track of the maximum and second-maximum numbers.
• Initialize two variables to store the maximum and second-maximum numbers.

• Iterate through the array and update the variables accordingly.

• Handle edge cases like when the array has less than two elements.
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Q5. Write the query to execute a left-join on two tables - I was shown a database with a few tables defined.
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Q6. What do you understand by the phrase 'pass-by-value'?
Ans. 
Pass-by-value is a method of passing arguments to a function where the actual value of the argument is copied to a new variable.
• In pass-by-value, a copy of the actual value of the argument is passed to the function.

• Any changes made to the parameter inside the function do not affect the original value outside the function.

• Primitive data types like integers, floats, and characters are typically passed by value.

• Example: i...read more
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Q7. If you're given two CSV files, containing 2 columns each, how would you merge the two files using Python?
Ans. 
To merge two CSV files with 2 columns each in Python, use the pandas library.
• Import the pandas library

• Read the two CSV files into pandas DataFrames

• Merge the DataFrames using a common column as the key

• Save the merged DataFrame to a new CSV file
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Q8. Puzzle - A drawer contains 10 pairs each of red and blue socks. What is the minimum number of socks that should be picked to obtain at least 1 rightly colored pair?
Ans. 3, since there are only 2 colors of socks.
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Q9. Problem Solving - How would you reduce the vehicle congestion at a junction?
Ans. 
To reduce vehicle congestion at a junction, implement traffic signal optimization, encourage public transportation, and create dedicated lanes for buses and bicycles.
• Implement traffic signal optimization to improve traffic flow and reduce wait times.

• Encourage the use of public transportation by providing incentives such as discounted fares or improved services.

• Create dedicated lanes for buses and bicycles to reduce the...read more
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Q1. What is your short-term plan in life?
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Q2. Reasons, if any, for the change in grades from high-school to university. (I went from a 95 aggregate in high-school, to a 85 aggregate in university)
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Q3. What is your preferred location and how would you adjust if you did not receive your preferred location?
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Q1. Why do you want to change the job
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Q2. Manual testing and automation testing questions
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Q1. Stress strain curve
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2 to 3 dsa questions

Q1. Why u want to join
Ans. 
I am passionate about the mission of the organization and believe my skills align well with the role.
• Passionate about the organization's mission

• Skills align well with the role

• Excited about the opportunity to contribute
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20 MCQ on aptitude ,cn,os,DBMS ,2 easy medium coding questions

Q1. Introduce yourself
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Q2. Oops related questions
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Q1. Authentication vs authorization, solid principles etc.
Ans. 
Authentication verifies the identity of a user, while authorization determines what actions a user is allowed to perform.
• Authentication confirms the identity of a user through credentials like passwords or biometrics.

• Authorization controls access to resources based on the authenticated user's permissions.

• Solid principles refer to a set of object-oriented design principles like Single Responsibility Principle, Open/Clos
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