Trident Infosol QA Engineer Interview Questions and Answers

Q1. What is JMeter?
Ans. 
JMeter is an open-source tool used for performance testing and load testing of web applications.
• JMeter allows testers to simulate heavy loads on servers, networks, or objects to test their strength and analyze overall performance.

• It can be used to measure performance under different load types, such as stress testing, spike testing, and endurance testing.

• JMeter supports various protocols like HTTP, HTTPS, FTP, JDBC, LD...read more
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Q1. What is the main responsibility of a QA Engineer?
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The main responsibility of a QA Engineer is to ensure the quality of software products by testing and identifying defects.
• Creating test plans and test cases

• Executing test cases and reporting defects

• Collaborating with developers to resolve issues

• Automating test cases using tools like Selenium

• Performing regression testing to ensure software stability
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Q2. Ensure software quality through testing.
Ans. 
Ensuring software quality through testing involves thorough testing of all functionalities to identify and fix any bugs or issues.
• Create test cases to cover all functionalities of the software

• Perform manual and automated testing to identify bugs

• Regression testing to ensure new changes do not impact existing functionalities

• Use tools like Selenium, JUnit, or TestNG for automated testing

• Collaborate with developers to fix
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Q1. What is Cucumber and Karate?
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Cucumber and Karate are testing frameworks used for behavior-driven development (BDD) and API testing, respectively.
• Cucumber is a BDD tool that allows writing test cases in plain English using Gherkin syntax

• Karate is an API testing tool that combines API testing, test doubles, performance testing, and UI automation in one framework

• Both tools support automation testing and help in collaboration between technical and non
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Q1. What is the D/B verification and validation in QA?
Ans. 
D/B verification and validation in QA refers to the process of ensuring that data in a database is accurate, complete, and consistent.
• Verification involves checking if the data in the database matches the expected values or rules.

• Validation involves ensuring that the data in the database meets the specified requirements and is reliable.

• Examples include verifying that user information is correctly stored in a database a...read more
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Q2. Verification : ensures the product is being built correctly (meet design specifications). Validation : ensures the right product is built (meets user needs and requirements).
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Q1. What is oops in python
Ans. 
Object-oriented programming (OOP) is a programming paradigm based on the concept of objects, which can contain data and code.
• OOP allows for organizing code into reusable components called classes.

• In Python, classes are defined using the 'class' keyword.

• Classes can have attributes (variables) and methods (functions).

• Inheritance allows classes to inherit attributes and methods from other classes.

• Polymorphism allows objec...read more
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Q2. What is ternary operant in python
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Ternary operator in Python is a conditional expression that evaluates to a value based on a condition.
• Ternary operator is written as 'value_if_true if condition else value_if_false'

• It is a shorthand way of writing an if-else statement in a single line

• Example: x = 10 if a > b else 20
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Q1. Tell me about projects you have worked upon
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Q2. PEP-8 standards
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Q1. Architecture of project on which you were working
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Q2. Pandas and Numpy
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Q1. Tell me your Current CTC
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Q2. Tell me your Expected CTC
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Basic java questions along with aptitude questions.

Q1. Basic oops concept, java functionalities, spring framework.
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Q1. Basic Hr questions, when you can join, expected ctc...
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