Automatic Data Processing (ADP) QA Engineer Interview Questions and Answers

Q1. Tell me about your Project? what part you tested in your project?
Ans. 
I worked on a project to develop a mobile application for tracking fitness goals and workouts.
• Tested user authentication and registration processes

• Performed functional testing on workout tracking features

• Conducted regression testing after each new feature implementation
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Q2. What is Regression testing and what is regression defects?
Ans. 
Regression testing is retesting of software to ensure that recent changes have not adversely affected existing features. Regression defects are bugs that reappear after changes.
• Regression testing is performed to make sure that new code changes have not introduced any new bugs or caused existing functionalities to break.

• It involves re-executing test cases that cover the impacted areas of the software.

• Regression defects ...read more
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Q3. Scenario based question in that ask about the regression defects
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Q4. Verification vs Validation?
Ans. 
Verification ensures the product is built right, while validation ensures the right product is built.
• Verification focuses on process, validation focuses on product

• Verification answers 'Are we building the product right?'

• Validation answers 'Are we building the right product?'

• Verification is done before validation
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Q5. How frequently do you run the Regression Test?
Ans. 
Regression tests are run after every significant code change or new feature implementation.
• Regression tests are typically run after every significant code change or new feature implementation to ensure that existing functionalities are not affected.

• The frequency of running regression tests may vary depending on the project timeline and release cycle.

• In Agile development, regression tests are often run as part of the co...read more
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Q6. How to select 5 th dropdown option?
Ans. 
To select the 5th dropdown option, locate the dropdown element and choose the 5th option.
• Locate the dropdown element using its unique identifier or class name

• Use a method like 'selectByIndex' or 'selectByVisibleText' to choose the 5th option

• Verify that the correct option has been selected
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Q7. Find the xpath of "Google Search tab" & "Voice search button"?
Ans. 
Use xpath to locate Google Search tab and Voice search button on the webpage.
• For Google Search tab: //input[@name='btnK']

• For Voice search button: //div[@aria-label='Search by voice']
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Q8. Write a java program for reverse string without pre defined method.
Ans. 
Java program to reverse a string without using predefined methods.
• Create a char array from the input string.

• Use two pointers, one at the start and one at the end, to swap characters.

• Continue swapping characters until the pointers meet in the middle.
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Q9. Which libraries use for the verifying test cases?
Ans. 
Some common libraries used for verifying test cases are JUnit, TestNG, Selenium, and RestAssured.
• JUnit is a popular Java testing framework for unit testing.

• TestNG is another Java testing framework that supports parameterized and data-driven testing.

• Selenium is a widely used tool for automating web browsers for testing purposes.

• RestAssured is a Java library for testing RESTful APIs.
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Q1. What is Testng and how it is helpful to the project
Ans. 
TestNG is a testing framework for Java that helps in organizing and running test cases efficiently.
• TestNG allows for grouping of test cases, prioritizing them, and running them in parallel.

• It provides annotations for setting up preconditions and postconditions for test cases.

• TestNG generates detailed test reports and logs for easy debugging and analysis.

• It supports data-driven testing using parameters and data provider...read more
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Q2. Java related questions
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Selenium related questions

Q1. Related to job and QA
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