Quality Analysis QA Engineer Interview Questions and Answers

Aptitude and coding question

Q1. Types of exception in selenium
Ans. 
Types of exceptions in Selenium include NoSuchElementException, ElementNotVisibleException, StaleElementReferenceException, TimeoutException, and WebDriverException.
• NoSuchElementException: Thrown when an element could not be found in the DOM.

• ElementNotVisibleException: Thrown when an element is present in the DOM but not visible.

• StaleElementReferenceException: Thrown when an element is no longer attached to the DOM.

• Tim...read more
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Questions related to apptitude, Selenium, TestNG, Java, c++

Q1. On Java Program
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Q2. On Selenium questions
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Aptitude test level was easy

Q1. Java basics questions
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Q2. Selenium excel related coding
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Complex aptitude Test

Q1. Test estimation techniques
Ans. 
Test estimation techniques involve various methods to predict the time and resources needed for testing activities.
• Use historical data from previous projects to estimate testing effort

• Break down the project into smaller tasks and estimate each task individually

• Use expert judgment from experienced QA engineers to provide input on estimation

• Consider complexity, risks, and dependencies when estimating testing effort
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Q2. Equals to vs ==
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Q1. Easy java basic programs
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Q2. Reverse string, find duplicate character in a string
Ans. 
Reverse a string and find duplicate characters in it.
• Use built-in functions like reverse() and count() in Python.

• Loop through the string and compare each character with the rest of the string to find duplicates.

• Create a dictionary to store the count of each character and return the duplicates.

• Convert the string to an array, reverse it, and join it back to get the reversed string.
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Q1. Topics related to java basics
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Q2. Automation queries
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Q3. Framework used in your previous project
Ans. 
We used Selenium WebDriver with TestNG framework for automated testing in our previous project.
• Selenium WebDriver was used for automating web application testing

• TestNG framework was used for test case management and execution

• Integration with Jenkins for continuous integration

• Page Object Model design pattern was implemented for better test maintenance
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Q4. Types of selectors
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Selectors are used in automation testing to locate web elements on a page.
• Types of selectors include ID, class, name, tag name, link text, partial link text, xpath, and css selector.

• ID selector: #elementId

• Class selector: .className

• Name selector: [name='elementName']

• Tag name selector: tagName

• Link text selector: link=exactLinkText

• Partial link text selector: partialLink=partialLinkText

• XPath selector: //xpathExpression

• CSS
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Q5. Asked to inspect some element
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Q1. What are raiders in insurance
Ans. 
Raiders in insurance are individuals or groups who intentionally cause damage or loss in order to fraudulently collect insurance payouts.
• Raiders may stage accidents, arson, or theft to make false insurance claims.

• They may also inflate the value of their losses or provide false information to the insurance company.

• Insurance companies use various methods to detect and prevent insurance fraud by raiders.

• Raiders can face l...read more
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Q2. How the premium gets calculated
Ans. 
Premium is calculated based on various factors such as age, gender, health condition, coverage amount, and lifestyle choices.
• Premiums are typically higher for older individuals as they are considered higher risk.

• Gender may also impact premium rates, with women often paying lower premiums.

• Health condition plays a significant role in premium calculation, with healthier individuals paying lower premiums.

• Coverage amount an...read more
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