QASource Interview Questions and Answers

Q1. OOPS concept and All Major pillars with Scanrio-based questions asked on Abstract class and Interface
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Q2. .Net MVC and .Net Core based on program.cs file and Dependency Injection and Middleware in deep
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Q3. Pattern question and check string Palindrome
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Q4. SQL Queries around 4th highest salary of Employee
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Q5. All basic programming concept checking like having prefix and postfix expression problem solving on paper
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Q1. TechnoManagerial Round Collection question to find about number of character present in the word Mirafra with live coding F2F
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Q2. API testing ang REST API Concept
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Q3. Professional Journey
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Q4. Project Details
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Q1. It was a director round but say you need to give again technical round ,they wasted my time and money.
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Q2. SQL Queries on pen and paper
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Q1. What is difference between Targeting and Headhunting
Ans. 
Targeting involves identifying a specific group of candidates, while headhunting is actively seeking out and approaching top talent.
• Targeting focuses on a specific group of candidates based on criteria such as skills, experience, or industry.

• Headhunting involves actively seeking out and approaching top talent, often individuals who are not actively looking for a job.

• Targeting is more passive and relies on attracting ca...read more
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Q2. What are Backent and Frontend Technologies
Ans. 
Backend and Frontend technologies refer to the technologies used to develop the server-side and client-side of a web application, respectively.
• Backend technologies include languages like Java, Python, Ruby, and frameworks like Node.js, Django, Flask

• Frontend technologies include HTML, CSS, JavaScript, and frameworks like React, Angular, Vue.js

• Backend technologies handle server-side logic, database interactions, and API ...read more
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Q3. Difference Between LinkedIn and Recruiter
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LinkedIn is a social networking platform for professionals, while Recruiter is a tool within LinkedIn for recruiters to find and connect with potential candidates.
• LinkedIn is a platform for professionals to network and showcase their skills and experience.

• Recruiter is a tool within LinkedIn that allows recruiters to search for and connect with potential candidates for job opportunities.

• LinkedIn is used by individuals t...read more
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Coding test based on leet code 1 hard(mountain array)and 1 easy(balance the parentheses)

Q1. Hiring manager round- resume based
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Q2. Basics, puzzles like find the number that should fill in the blank etc
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Q1. 1st Technical round : Difference between Epic and User story.
Ans. 
An Epic is a large body of work that can be broken down into smaller tasks called User Stories.
• Epic is a high-level requirement that is too large to be completed in a single iteration.

• User Story is a small, specific piece of work that can be completed in a single iteration.

• Epics are usually broken down into multiple User Stories for implementation.

• User Stories are more detailed and focused compared to Epics.

• Example: Ep...read more
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Q2. Test cases of Data grid.
Ans. 
Test cases for data grid involve verifying data display, sorting, filtering, pagination, editing, and deleting functionalities.
• Verify data is displayed correctly in the grid

• Test sorting functionality by sorting columns in ascending and descending order

• Test filtering functionality by applying filters and checking if data is displayed correctly

• Test pagination by navigating through multiple pages of data

• Test editing funct...read more
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Q3. How to test a website on different devices?
Ans. 
To test a website on different devices, use responsive design testing tools, emulators, physical devices, and browser developer tools.
• Use responsive design testing tools like BrowserStack or Responsinator to simulate different screen sizes.

• Utilize emulators like Android Studio's emulator or Xcode's simulator to test on various mobile devices.

• Test on physical devices to ensure accurate performance and user experience.

• Us...read more
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Q4. Have you ever meet your client.
Ans. 
Yes, I have met with clients in previous roles to discuss project requirements and gather feedback.
• I have met with clients to understand their requirements and expectations for the project.

• I have conducted meetings to gather feedback on the testing process and results.

• Building a good relationship with clients is important for successful project delivery.
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Write testcases for a profile page that has option to change: name, email, phone number, address etc.

Q1. Severity, priority, scenario based questions.
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Q1. CEO round : general problem solving questions.
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Q1. Basic questions ... tell me about yourself? projects? some quizes, some coding snippets
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Q1. Print all str in arrays
Ans. 
Print all strings in an array
• Use a loop to iterate through the array

• Print each string in the array
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Q2. Print the missing number from the range 1 to 100;
Ans. 
Use the formula for sum of natural numbers to find the missing number.
• Calculate the sum of numbers from 1 to 100 using the formula n*(n+1)/2

• Find the actual sum of numbers from 1 to 100

• Subtract the actual sum from the calculated sum to find the missing number
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Q3. How to converts stack to heap
Ans. 
To convert a stack to a heap, you can use a sorting algorithm like heapify.
• Use a sorting algorithm like heapify to rearrange the elements in the stack into a heap structure.

• Heapify the stack by starting from the last non-leaf node and moving up the tree.

• After heapifying the stack, the elements will be in a heap structure with the root node containing the maximum value.
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Q4. Project and dbms question
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Q1. Array was given apply permutation combination and give biggest number
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General audit parameters

Q1. General excel formula
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Q2. Why we do rca
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Q3. How we calculate variancein calibration
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Q4. Why we use dollar sign in excel
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Q1. What is the difference between Union and Union all ?
Ans. 
Union combines the results of two or more SELECT statements, while Union all includes all rows, including duplicates.
• Union removes duplicate rows from the result set, while Union all includes all rows.

• Union sorts the result set, while Union all does not.

• Union is slower than Union all because it performs a distinct operation.

• Example: SELECT column1 FROM table1 UNION SELECT column1 FROM table2;

• Example: SELECT column1 FRO
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Q2. Which query is more faster , joins or union?
Ans. 
Joins are generally faster than unions.
• Joins are typically faster than unions because they combine data from multiple tables based on a common column, while unions combine data from multiple queries into a single result set.

• Joins can utilize indexes on the columns being joined, which can improve performance.

• Unions involve combining the results of multiple queries, which can be slower as it requires merging and sorting ...read more
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2 dsa questions and mcqs

Q1. Questions on oops dsa
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