VVDN Technologies QA Technical Lead Interview Questions and Answers

Q1. Print missing number in given array
Ans. 
Find and print the missing number in a given array of strings.
• Convert the array of strings to an array of integers for easier manipulation.

• Iterate through the array to find the missing number by comparing consecutive elements.

• Print the missing number once found.
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Q2. Print string in reverse
Ans. 
Reverse a string in an array of strings
• Iterate through each string in the array

• Use a loop to reverse each string character by character

• Store the reversed strings in a new array
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Q1. How do you manage differences in team
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Q2. How do you test faulty ATM
Ans. 
To test a faulty ATM, simulate various scenarios like card reader failure, cash dispenser malfunction, network connectivity issues, etc.
• Simulate card reader failure by inserting a damaged card or a card with a magnetic strip issue.

• Test cash dispenser malfunction by requesting cash withdrawal and observing if the correct amount is dispensed.

• Check for network connectivity issues by trying to access online banking service...read more
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Q1. Tell about yourself
Ans. 
I am a detail-oriented QA Engineer with experience in manual and automated testing.
• Experienced in creating test plans and test cases

• Proficient in using testing tools like Selenium and Jira

• Strong analytical skills to identify and troubleshoot issues

• Collaborative team player with excellent communication skills
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Q2. Why do you want to join the company
Ans. 
I am impressed by the company's innovative products and strong reputation in the industry.
• I admire the company's commitment to quality and continuous improvement.

• I am excited about the opportunity to work with a talented team of professionals.

• I believe my skills and experience align well with the company's goals and values.
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Aptitude test and Testing questions related to Test estimations

Q1. Test Plan - did you prepared
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Q2. Test estimation techniques
Ans. 
Test estimation techniques involve various methods to estimate the effort, time, and resources required for testing.
• Expert judgment: Relying on the expertise and experience of the QA team to estimate the effort.

• Analogous estimation: Using historical data from similar projects to estimate the testing effort.

• Parametric estimation: Using mathematical models and formulas to estimate based on project parameters.

• Three-point ...read more
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Q3. Agile methodology
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Q4. API protocols, methods, status
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Q5. SQL queries on joins, subquery - 3rd highest salary, display employee name based on designation
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Q1. Automation frameworks
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Rest assured question asked

Q1. Introduction, Basic testing concepts
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Q2. SQL, API, Selenium
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Q3. Roles resposibility
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Q1. Scenario Based Questions
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Q2. Tools, technology, Framework used
Ans. 
I have experience using tools such as Selenium, JIRA, and TestNG, along with knowledge of Agile and Waterfall methodologies.
• Selenium for automated testing

• JIRA for defect tracking and project management

• TestNG for test case management

• Knowledge of Agile and Waterfall methodologies
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Q3. Oops concepts, SQL, API
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Q1. Question Related to profile. Mostly on Selenium and QA
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Q2. Coding question from Java - String.
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String and array programs

Q1. Everything Selenium and testNG. Prepare according to JD
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