NALUX Electronics AM QA Interview Questions and Answers

Q1. What is Regression testing.
Ans. 
Regression testing is the process of retesting a software application to ensure that new code changes have not adversely affected existing functionality.
• Performed after code changes to verify that existing features still work correctly

• Helps prevent the introduction of new bugs or issues

• Can be automated to save time and effort

• Examples: running test cases after a software update, checking for bugs after adding new featur
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Q2. Difference between list and tuple
Ans. 
List is mutable, tuple is immutable in Python.
• List can be modified after creation, tuple cannot.

• List uses square brackets [], tuple uses parentheses ().

• List is used for collections of items that may change, tuple for fixed collections.

• Example: list_example = [1, 2, 3], tuple_example = (4, 5, 6)
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Q3. Program to check if the no. is prime
Ans. 
A program to check if a number is prime or not
• Iterate from 2 to square root of the number and check if it divides the number evenly

• If any number divides the given number, it is not prime

• If no number divides the given number, it is prime
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Q1. Program to find pallindrome.
Ans. 
Program to find palindrome in an array of strings.
• Iterate through each string in the array

• Reverse each string and compare with original string

• If they are equal, it is a palindrome
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Q2. How to find element using css selector.
Ans. 
To find an element using CSS selector, you can use the document.querySelector() method.
• Use document.querySelector() method with the CSS selector as the argument.

• Make sure the CSS selector is unique to the element you want to find.

• You can also use document.querySelectorAll() to find multiple elements.
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Scenario based questions

Q1. Java string question, Define Automation framework, Explain jenkins usage, what is the difference ebtween Waterfall and Agile modal.
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Q2. Explain the usage of joins in SQL.
Ans. 
Joins in SQL are used to combine rows from two or more tables based on a related column between them.
• Joins are used to retrieve data from multiple tables based on a related column.

• Types of joins include INNER JOIN, LEFT JOIN, RIGHT JOIN, and FULL JOIN.

• Example: SELECT * FROM table1 INNER JOIN table2 ON table1.column = table2.column;
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Q3. Explain the testNG usage
Ans. 
TestNG is a testing framework for Java that supports various testing levels and annotations.
• TestNG allows for easy configuration of test suites, test cases, and test methods.

• It supports parallel execution of tests, data-driven testing, and parameterization.

• TestNG provides detailed test reports and allows for grouping of test methods.

• Annotations like @Test, @BeforeSuite, @AfterSuite, etc., help in defining test methods
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Q4. Explain POM concept in Automation framework.
Ans. 
POM is a design pattern in automation testing where web pages are represented as classes, and the interactions are defined as methods.
• POM helps in creating a clear separation between test scripts and page objects.

• It improves test maintenance and readability.

• Page classes contain locators and methods to interact with the elements on the page.

• Test scripts call these methods to perform actions on the page.

• Example: LoginPag...read more
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Q1. Explain your day to day activity as a QA lead.
Ans. 
As a QA lead, my day to day activities involve overseeing testing processes, coordinating with team members, creating test plans, and ensuring quality standards are met.
• Coordinate with team members to assign testing tasks and ensure deadlines are met

• Create and review test plans, test cases, and test scripts

• Conduct regular meetings with the team to discuss progress and address any issues

• Collaborate with developers and o...read more
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Q1. API testing related questions were asked
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Q2. What is api testing
Ans. 
API testing is a type of software testing that involves testing APIs directly to ensure they meet functionality, reliability, performance, and security requirements.
• API testing involves testing the functionality, reliability, performance, and security of APIs.

• It focuses on verifying that the API meets its specifications and works as expected.

• API testing can be done manually or using automated tools like Postman or Soap...read more
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Q3. How do you log bugs
Ans. 
I log bugs by documenting detailed steps to reproduce, including screenshots and logs.
• Document detailed steps to reproduce the bug

• Include screenshots or videos if applicable

• Attach relevant logs or error messages

• Assign severity and priority levels to the bug

• Track bug status and resolution in a bug tracking tool
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Q4. What is agilemethodology
Ans. 
Agile methodology is a software development approach that emphasizes flexibility, collaboration, and iterative development.
• Focus on delivering working software in short iterations

• Emphasizes collaboration between cross-functional teams

• Allows for changes and adjustments throughout the development process

• Common practices include daily stand-up meetings, sprint planning, and retrospectives
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Q5. What is selenium framework
Ans. 
Selenium framework is a set of tools, libraries, and best practices used for automated testing of web applications.
• Selenium framework allows for writing and executing automated tests for web applications.

• It provides features like test case management, reporting, and integration with CI/CD tools.

• Popular frameworks built on top of Selenium include TestNG, JUnit, and Cucumber.

• Selenium WebDriver is a key component of the f...read more
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Q1. Java collections basics
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Q2. How to handle webtable in selenium
Ans. 
Webtables in Selenium can be handled using methods like findElements, getText, getAttribute, etc.
• Use findElements method to locate the table and its rows

• Iterate through rows and columns using loops

• Use getText method to retrieve text from cells

• Use getAttribute method to retrieve specific attributes like class, id, etc.
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Q1. Write a program to reverse a string
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Q1. Difference between bind and bound
Ans. 
Bind is the present tense form of the verb, while bound is the past tense and past participle form.
• Bind is used when referring to the act of tying or fastening something together.

• Bound is used when referring to the state of being tied or fastened.

• Example: She binds the books together. The books are bound tightly.
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Q2. How many transactions you have worked on
Ans. 
I have worked on over 500 transactions in my career as a QA Analyst.
• I have experience working on various types of transactions including financial, e-commerce, and healthcare.

• I have tested transactions involving payment processing, order fulfillment, and data transfer.

• I have collaborated with developers and business analysts to ensure the accuracy and functionality of transactions.

• I have used tools like JIRA and Seleni...read more
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Q3. What are different types of endorsement transaction
Ans. 
Different types of endorsement transactions include blank endorsement, special endorsement, restrictive endorsement, and qualified endorsement.
• Blank endorsement: Simply signing the back of a check or other negotiable instrument without specifying a payee.

• Special endorsement: Directing the payment to a specific person or entity by writing 'Pay to the order of [name]' above the signature.

• Restrictive endorsement: Limiting...read more
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Hackerank platform with multiple questions.

Q1. Oops, Java, Java collection, String
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Q1. Favorite bug? time you had to resolve conflict with manager.
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