3M Associate Quality Assurance Analyst Interview Questions and Answers

Basic questions related to coding concepts and 2 coding questions.

Q1. Java multi-threading, OOPS concepts, DSA
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Questions related to DSA

Q1. Questions related to OOPS
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Q2. DSA question using sets
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Normal aptitude round covered all most every topic

Q1. Knowledge about used programming languages
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Q2. Sql
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Q3. What are the key components involved in the low-level design of e-commerce applications?
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Key components in low-level design of e-commerce applications
• Database schema design for storing product information, user data, and transaction details

• Designing APIs for communication between front-end and back-end systems

• Implementing security measures such as encryption, authentication, and authorization

• Optimizing performance by caching frequently accessed data and using efficient algorithms

• Scalability planning to han...read more
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Q1. General Conversation
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Q1. Dep related question
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Focus on practising easy and medium level coding problem at a fast pace

Q1. Automation role
Ans. 
Automation Test Engineer is responsible for designing, developing, and executing automated tests to ensure software quality.
• Develop automated test scripts using tools like Selenium, Appium, or JUnit

• Execute test scripts and analyze results to identify defects

• Collaborate with developers and other team members to improve test coverage

• Maintain and update automated test suites as needed

• Contribute to continuous integration a
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Q2. Manual testing and test engineering
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Q3. I am self motivated
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Q4. I can work independently
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Q5. Honestly and hard worker
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