JSG Group Senior Quality Engineer 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.
• Regression testing is performed after code changes to verify that the existing functionality still works correctly.

• It helps in identifying any defects introduced by new code changes.

• Automated testing tools are often used for regression testing to save time and effort.

• R...read more
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Q2. What is Ad hoc testing
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Ad hoc testing is informal testing without any specific test cases or plans.
• Ad hoc testing is performed randomly without any predefined test cases.

• It is usually done to explore the system and find defects that are not covered in regular testing.

• Testers use their domain knowledge and experience to perform ad hoc testing.

• It is not documented and can be difficult to reproduce.

• Examples include randomly clicking on buttons,...read more
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Q1. Question based on frameworks and oops
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Q2. Java string concepts
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Q1. Situation based questions
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Q1. What is meant by Polymorphism
Ans. 
Polymorphism is the ability of a single function or method to operate on different types of data.
• Polymorphism allows objects of different classes to be treated as objects of a common superclass.

• There are two types of polymorphism: compile-time (method overloading) and runtime (method overriding).

• Example: Inheritance in object-oriented programming languages like Java allows for polymorphism.

• Example: Function overloading
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Q2. Write a program to find no of repeated characters in a string
Ans. 
Program to find number of repeated characters in a string
• Iterate through each character in the string

• Use a hashmap to store the count of each character

• Increment the count if character is already present in the hashmap

• Return the count of characters with count greater than 1
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Q3. About config file
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Q4. About scenario outline
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Q5. Tell me about yourself
Ans. 
I am a dedicated Quality Engineer with a strong background in ensuring product quality and compliance with industry standards.
• Experienced in conducting quality control tests and inspections

• Skilled in analyzing data and identifying areas for improvement

• Proficient in implementing quality management systems

• Strong attention to detail and problem-solving skills

• Excellent communication and teamwork abilities
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Q1. What is distributed load testing why it is required
Ans. 
Distributed load testing is a technique used to simulate real-world user traffic by distributing the load across multiple machines.
• Distributed load testing involves using multiple machines to generate a high volume of user traffic.

• It helps identify performance bottlenecks and scalability issues in a system.

• By distributing the load, it mimics real-world scenarios and provides more accurate results.

• It allows testing the ...read more
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Q2. Types of LoadRunner components
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LoadRunner components include Virtual User Generator, Controller, and Analysis.
• Virtual User Generator (VuGen) is used to create scripts that simulate user actions.

• Controller is used to manage and control the load testing scenarios.

• Analysis is used to analyze the performance test results.

• Other components include Load Generator, Agent, and Monitor.

• Load Generator is responsible for generating the load on the system under ...read more
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Q3. What is return of investment from performance testing
Ans. 
The return on investment from performance testing is improved system performance, increased customer satisfaction, and reduced costs.
• Performance testing helps identify and fix performance issues before they impact users.

• It ensures that the system can handle expected user loads and perform efficiently.

• By optimizing system performance, customer satisfaction and user experience are enhanced.

• Performance testing helps preve...read more
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Q4. Client has no idea on performance testing how you convivence them
Ans. 
To convince the client about performance testing, emphasize its benefits and provide examples of how it can improve their product.
• Explain the importance of performance testing in ensuring the product meets performance requirements and user expectations.

• Highlight the potential risks of not conducting performance testing, such as poor user experience, system crashes, and loss of customers.

• Share success stories or case st...read more
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Q1. Basic questions on automation-UFT
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1 hr - aptitude + coding test, aptitude questions similar to what are on Geeks for geeks and coding were unique , moderately difficult.

Q1. Asked questions on languages known, evaluated on tech skills and if you would be good team player, asked questions on SQL and C/C++/JAVA, study what is written on Resume mostly questions asked from there.
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Basic logical aptitude questions and coding questions

Communication was judged.

Q1. Checked basic communication and some technical questions
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