Ktl Interview Questions and Answers

Q1. Tell me about yourself
Ans. 
I am a highly experienced Senior Software Tester with a strong background in manual and automated testing.
• Over 8 years of experience in software testing

• Proficient in manual testing, test automation, and performance testing

• Skilled in using tools like Selenium, JIRA, and HP Quality Center

• Strong analytical and problem-solving skills

• Experience in testing web and mobile applications
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Q2. Difference between Regression & Retesting?
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Regression testing is testing the entire application after changes, while retesting is testing a specific bug fix.
• Regression testing is done to ensure that new code changes do not affect existing functionality.

• Retesting is done to verify that a specific bug or issue has been fixed.

• Regression testing involves testing the entire application, while retesting focuses on a specific area.

• Examples: After adding a new feature,...read more
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Q3. Difference between Functional and Non functional testing .
Ans. 
Functional testing focuses on the specific functionality of the software, while non-functional testing focuses on performance, usability, and security.
• Functional testing ensures that the software functions as expected based on the requirements.

• Non-functional testing evaluates aspects like performance, usability, reliability, and security.

• Examples of functional testing include unit testing, integration testing, and syst...read more
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Q4. Test scenario of ATM machine
Ans. 
Testing the functionality of an ATM machine by simulating various scenarios
• Test withdrawing money within account balance

• Test withdrawing money exceeding account balance

• Test depositing money into account

• Test checking account balance

• Test entering invalid PIN

• Test inserting damaged card
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Q5. What is Selenium?
Ans. 
Selenium is a popular open-source tool used for automating web browsers.
• Selenium is used for automating web browsers to test web applications.

• It supports multiple programming languages like Java, Python, C#, etc.

• Selenium WebDriver is the most commonly used component for writing automation scripts.

• Selenium Grid allows running tests on different machines in parallel.

• Selenium IDE is a record and playback tool for creating
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Q6. What do you know about the types of key ?
Ans. 
Types of keys include primary keys, foreign keys, unique keys, and composite keys.
• Primary key: uniquely identifies each record in a table, must be unique and not null.

• Foreign key: links two tables together, enforces referential integrity.

• Unique key: ensures that all values in a column are unique.

• Composite key: combination of two or more columns to uniquely identify a record.
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Q7. Types of Join ?
Ans. 
Types of Join include Inner Join, Left Join, Right Join, and Full Join.
• Inner Join: Returns rows when there is a match in both tables.

• Left Join: Returns all rows from the left table and the matched rows from the right table.

• Right Join: Returns all rows from the right table and the matched rows from the left table.

• Full Join: Returns rows when there is a match in one of the tables.
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Q8. Agile vs waterfall model difference
Ans. 
Agile is iterative and flexible, while waterfall is sequential and rigid.
• Agile involves continuous feedback and adaptation, while waterfall follows a linear approach.

• Agile allows for changes throughout the development process, while waterfall requires detailed planning upfront.

• Agile is better suited for projects with evolving requirements, while waterfall is ideal for projects with fixed requirements.

• Agile promotes col...read more
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Q9. If there is a registration page is there on that page, Client wants to change or something they want to add right now u said that Waterfall methodology follow in that scenario what u will do u will follow ...read more
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A mirraw website will be given to u and have to find a bug within 24 hours on a next day u have to submit through Email id.

Q1. Give me a severity and priority on Defect report which u have submitted.
Ans. 
The severity of the defect is high as it impacts critical functionality, but the priority is low as there are workarounds available.
• Severity: High - the defect impacts critical functionality and needs to be fixed urgently

• Priority: Low - there are workarounds available for the defect, so it can be addressed later
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