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Control Software Engineer Interview Questions

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546 control software engineer interview questions shared by candidates

Given two binary trees, how would you find the intersection within them, and output a tree of the intersection. However, what they mean to ask was: Write a function that finds if two binary trees are completely identical.
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Intern QA Software Engineer

Interviewed at Informatica

4★
Nov 24, 2015

Given two binary trees, how would you find the intersection within them, and output a tree of the intersection. However, what they mean to ask was: Write a function that finds if two binary trees are completely identical.

1. how will you manage when there is high stress at work 2. How will you fix conflicts with developers 3.sql queries -distinct on multiple columns, duplicates on 3 fields -how will you display distinct on all 3 fields, replace null with '4' without using update -using select query 4. Failed in production, passed in test -how will you handle this as a QA member 5. 1 million records ,but 100K mising in destination table, how will you find where its missing . 6. Agile/JIRA 7. unique creative way of doing wokr-in past with eg
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Senior Staff Software Engineer-QA

Interviewed at Blackhawk Network

3.3★
May 29, 2015

1. how will you manage when there is high stress at work 2. How will you fix conflicts with developers 3.sql queries -distinct on multiple columns, duplicates on 3 fields -how will you display distinct on all 3 fields, replace null with '4' without using update -using select query 4. Failed in production, passed in test -how will you handle this as a QA member 5. 1 million records ,but 100K mising in destination table, how will you find where its missing . 6. Agile/JIRA 7. unique creative way of doing wokr-in past with eg

1. Java Function Code 2. SQL Joins Query 3. Javascript Code 4. POM model 5. TestNG 6. testng.xml file write and annotations 7. Write a script to automate the webpage having a drop-down menu, username and password 8. Selenium Grid
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QA Automation Developer

Interviewed at RLDatix

3.8★
Aug 24, 2018

1. Java Function Code 2. SQL Joins Query 3. Javascript Code 4. POM model 5. TestNG 6. testng.xml file write and annotations 7. Write a script to automate the webpage having a drop-down menu, username and password 8. Selenium Grid

Networking: 1.What happens when you type www.google.com in the browser? 2.Explain all OSI layers based on this flow. 3.Some questions on network protocols. Operating Systems: 1.Round-robin scheduling 2.Deadlocks DSA: 1.Reverse the words in a given string. 2.Remove elements appearing more than twice in an array while maintaining order (e.g., if 4 appears 3 times, remove only the third occurrence).
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Software Engineer - QA

Interviewed at SecPod Technologies

4.2★
Apr 24, 2025

Networking: 1.What happens when you type www.google.com in the browser? 2.Explain all OSI layers based on this flow. 3.Some questions on network protocols. Operating Systems: 1.Round-robin scheduling 2.Deadlocks DSA: 1.Reverse the words in a given string. 2.Remove elements appearing more than twice in an array while maintaining order (e.g., if 4 appears 3 times, remove only the third occurrence).

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