TCS Senior QA Engineer Interview Questions and Answers

Q1. Difference between type and typeAndWait
Ans. 
typeAndWait is used to wait for a specific element to appear before proceeding, while type does not wait.
• typeAndWait is used in Selenium WebDriver to wait for a specific element to appear before typing into it

• type does not wait for the element to appear and may cause errors if the element is not present

• typeAndWait is useful for dynamic web pages where elements may take time to load
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Q2. How to change window size in selenium
Ans. 
To change window size in Selenium, you can use the set_window_size() method of the WebDriver class.
• Use driver.set_window_size(width, height) to change the window size

• Specify the width and height in pixels as parameters

• Example: driver.set_window_size(800, 600) will set the window size to 800x600 pixels
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Q1. Different listeners in TestNG
Ans. 
TestNG provides different listeners to customize test execution and reporting.
• TestNG provides several built-in listeners such as IInvokedMethodListener, ITestListener, ISuiteListener, etc.

• Listeners can be used to perform actions before or after test methods, suites, or entire test runs.

• Listeners can be implemented by creating classes that extend the corresponding listener interfaces.

• Listeners can be configured in the t...read more
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Q1. Selenium framework level questions
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Q2. ETL questions & Data warehouse concepts
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Q3. Functional/ manual testing related questions
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Q1. Few technical questions & generic questions
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Q2. CTC & Experience & expected CTC & Notice period, etc
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Q1. Introduce yourself and give some brief about work experience
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Interviewer gave a java program and asked output.

Q1. Method overload, Method Over ride, Inheritance, POM model explanation, Run only failed test cases in TESTNG how to achieve this, How to determine the tool for project, Write the X-path for random web e...read more
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Time frame one hour, 60 questions

Q1. QA life cycle, Selenium basics
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Reverse string, programs relatrd to arrays

Basic selenium automation coding question and QA related MCQs

Q1. Core java and selenium and Qs related to Leading the QA team
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Q2. Count duplicates in a string
Ans. 
Count duplicates in a string
• Iterate through the string and store each character in a hashmap with its count

• Return the count of characters with count greater than 1
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Q3. Write a Program to Sort Array
Ans. 
Program to sort array of strings
• Use a sorting algorithm like bubble sort, selection sort, or merge sort

• Compare strings using strcmp() function in C or compareTo() method in Java

• Handle edge cases like empty array or array with only one element
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Q4. Selenium Commands
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Q1. Salary Negotiation
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