MSCI Software Engineer Interview Questions and Answers

They asked you to reverse a palidrome

Q1. What is policy manager
Ans. 
Policy manager is a software tool used to centrally manage and enforce policies across an organization's systems and applications.
• Policy manager helps define, monitor, and enforce policies related to security, compliance, access control, and other governance aspects.

• It allows administrators to set rules and regulations that govern how data and resources are accessed and used within an organization.

• Policy manager can au...read more
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60 mins and basic quants-based questions along with SQL

Q1. Multi-Threading in Python - GIL
Ans. 
Global Interpreter Lock (GIL) in Python restricts execution of multiple threads at once to prevent race conditions.
• GIL is a mutex that protects access to Python objects, preventing multiple threads from executing Python bytecodes at once.

• This means that even in a multi-threaded Python program, only one thread can execute Python code at a time.

• GIL can limit the performance of multi-threaded Python programs, especially f...read more
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Q2. Certifications in my resume - AWS and Ethical Hacking
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Q1. Asked everything that was present in my resume
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Q2. DBMS, OOps were asked a lot and react as well
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An aptitude has exam used to determine an individual skills a given activity

Q1. Tell me about yourself
Ans. I am Jagan, from poonamallee, I have completed my bachelor degree in computer science from Anna University
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Q2. What is your strength
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Q3. What is your weakness
Ans. 
I tend to be overly critical of my own work, which can slow down my progress and decision-making.
• I often spend too much time refining my code, aiming for perfection rather than meeting deadlines.

• In team settings, I sometimes hesitate to share my ideas, fearing they won't meet my own standards.

• To address this, I've started setting time limits for revisions and seeking feedback from peers earlier in the process.
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Q4. Why did you decide to apply to this role?
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Q5. Why should I hire you?
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Low-level design interview
I need to design a Music player app using oops concept

Q1. Sort the stack in O(1) time complexity
Ans. 
Use an additional stack to store sorted elements and maintain the minimum element at the top of the original stack.
• Create a new stack to store sorted elements.

• Pop elements from the original stack and compare with the top element of the new stack.

• If the popped element is smaller, push it to the new stack. If larger, keep popping from the new stack and push to the original stack until the correct position is found.

• Repeat...read more
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Q2. Difference between process and thread
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Q3. Difference between abstract class and interface
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Q4. What is race condition?
Ans. 
A race condition is a situation in which the outcome of a program depends on the order of execution of its threads or processes.
• Occurs when multiple threads or processes access shared data or resources concurrently

• Can lead to unpredictable behavior or bugs in the program

• Prevented by using synchronization mechanisms like locks or semaphores

• Example: Two threads trying to increment a shared variable simultaneously
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Q5. What is normalization in dbms
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Its a combination of all the questions like aptitude , logical questions, programming questions, sql, etc,...

Q1. No i was rejected
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Its mostly on Train, Pipes and Cistern, Dice reasoning

Data Structures medium level question