AlphaSense QA Engineer Interview Questions and Answers for Experienced

Write a automated test framework and several test cases for web application.

Q1. Question about implemented assignment. Java questions Several small code exercises. DBs, networking.
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Q1. Just a talk with manager.
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Q1. Java question oops
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Q2. Manual testing , selenium
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Q1. How to reverse the word
Ans. 
To reverse a word, you can iterate through the characters of the word and build a new word by appending each character in reverse order.
• Iterate through the characters of the word from the last character to the first character.

• Append each character to a new string in reverse order.

• Return the new string as the reversed word.
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Q2. How to delete a node
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To delete a node, first find the node to be deleted, then update the pointers of the previous and next nodes to skip the node to be deleted.
• Find the node to be deleted by traversing the linked list

• Update the 'next' pointer of the previous node to skip the node to be deleted

• Update the 'previous' pointer of the next node to skip the node to be deleted
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Q1. Introduction of candidate profile
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Q2. Generic Question for given role
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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?
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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?
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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. Java and oops concepts- this, super keyword, regression testing ,manual testing questions
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Q2. Oops concepts used in framework
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Object-oriented programming concepts used in framework design
• Inheritance: Allows classes to inherit attributes and methods from other classes

• Encapsulation: Bundling data and methods that operate on the data into a single unit

• Polymorphism: Ability to present the same interface for different data types

• Abstraction: Hiding the complex implementation details and showing only the necessary features
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Q3. How much you rate yourself in java write java programs 1-Interchange array elements 2- occurance of character's in string 3- remove duplicates from given string 4- Find square root
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Q4. Scenarios based questions 1- questions were based on manual testing, automatio challenges, raising bugs
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Q5. Will defenitly ask to find xpath Difference between rel and abs xpath
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Q6. How to select dropdown in selenium
Ans. 
To select a dropdown in Selenium, use the Select class and its methods like selectByVisibleText, selectByValue, or selectByIndex.
• Use the Select class from org.openqa.selenium.support.ui package

• Identify the dropdown element using findElement method

• Create a new Select object by passing the dropdown element as a parameter

• Use selectByVisibleText, selectByValue, or selectByIndex methods to choose an option
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Q7. Diff between findelement vs findelements
Ans. 
findelement is used to find a single element on a webpage, while findelements is used to find multiple elements.
• findelement returns the first matching element on the webpage

• findelements returns a list of all matching elements on the webpage

• Example: driver.findElement(By.id("elementId")) vs driver.findElements(By.className("elementClass"))
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Q8. Main method in java ,whether it can be overloaded , overrided? why it cannot be overrided?
Ans. 
The main method in Java can be overloaded but not overridden.
• Main method can be overloaded by defining multiple main methods with different parameters.

• Overloading allows multiple methods with the same name but different parameters.

• Main method cannot be overridden because it is a static method and static methods cannot be overridden.
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