Elentec Power India (EPI) Pvt. Ltd. Executive Interview Questions and Answers for Freshers

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 the main responsibility of a QA Engineer?
Ans. 
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 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 Cucumber and Karate?
Ans. 
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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Duration is around 1 hour

Q1. 1. Basic programming concepts 2. OOP concepts and basic problem solving skills
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Q1. Programming question
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Q1. 1. Basic questions
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Q1. Second largest number in an array
Ans. 
Find the second largest number in an array of strings.
• Convert the strings to numbers for comparison.

• Sort the array in descending order.

• Return the second element in the sorted array.
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Q2. Pairs with given sum
Ans. 
Find pairs in an array that sum up to a given target value.
• Use a hash set to store the difference between the target value and each element in the array.

• Iterate through the array and check if the current element's complement exists in the hash set.

• Return the pairs that sum up to the target value.
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