Microsoft Corporation Interview Questions, Process, and Tips

Q1. Find a free IP range in an infinite pool of reserve IPs
Ans. 
To find a free IP range in an infinite pool of reserve IPs, we can iterate through the pool and check for available ranges.
• Iterate through the pool of reserve IPs

• Check for consecutive available IPs to form a range

• Return the first free IP range found
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Q2. Print the content of a spiral matrix
Ans. 
Print the content of a spiral matrix
• Create a 2D array to represent the matrix

• Use four variables to keep track of boundaries (top, bottom, left, right)

• Iterate through the matrix in a spiral pattern, printing each element as you go
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Q3. Design a parking lot
Ans. 
Design a parking lot with multiple levels and automated ticketing system
• Include multiple levels for parking spaces

• Implement automated ticketing system for entry and exit

• Utilize sensors to detect available parking spots

• Incorporate payment options for customers

• Provide security measures such as CCTV cameras and alarms
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Find range of numbers in an infinite array

Design a tree view for mobile with infinite nodes and collapsible using react-native

Q1. Discussion about my project and related questions
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Q2. Explain the tech stack, pros and cons
Ans. 
The tech stack includes Java, Spring Boot, React, and MySQL. Pros include robustness and scalability, cons include potential performance issues.
• Tech stack: Java, Spring Boot, React, MySQL

• Pros: Robustness, scalability

• Cons: Potential performance issues
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Q1. Tell me about your skills
Ans. 
I have strong skills in manual and automated testing, test planning, test case design, defect tracking, and regression testing.
• Proficient in using testing tools such as Selenium, JIRA, and TestRail

• Experience in creating test plans, test cases, and test scripts

• Skilled in identifying and documenting software defects

• Knowledge of regression testing and test automation frameworks

• Ability to work effectively in a team environ
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Q2. What is your expected salary
Ans. 
My expected salary is based on my experience, skills, and the market rate for QA Engineers.
• Consider my years of experience in QA testing

• Take into account my relevant certifications or qualifications

• Research the average salary range for QA Engineers in this location
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It was a 10 multiple choice questions test on various coding concepts, data structures, algorithm

It was a mathematics permutation question.

This round requires to submit a project on given problem statements

Q1. You are given two integers n and k. Count the number of permutations where at least k positions have arr[i] =i.
Ans. 
Count permutations with at least k positions having arr[i]=i
• Calculate number of permutations with exactly k positions having arr[i]=i

• Calculate number of permutations with exactly k+1 positions having arr[i]=i

• Subtract the above two values to get the final answer
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Q1. About Microsoft Engage project and projects on my resume and one coding question.
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Q1. Experience related
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Q1. Online test timed coding interview
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Q2. Hacker rank online timed assessment
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Q1. 4 interviews - 3 coding, 1 design
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Q1. Questions about cryptography was asked
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Q1. General Questions about API security
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