IBM Senior QA Lead Interview Questions and Answers

Q1. 1. What are API estimation technique ? 2. Exception writing in the selenium 3.Read data from excel program 4. Http status code
Ans. 
API estimation techniques involve breaking down the API testing tasks into smaller components and estimating the effort required for each.
• Break down API testing tasks into smaller components

• Estimate effort required for each component

• Consider factors like complexity, dependencies, and resources

• Use techniques like expert judgment, historical data, and analogy-based estimation

• Example: Function Point Analysis, Three-Point
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Q1. Testng,maven,parallel execution
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Q1. Experience, and salaray negotiation
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Q1. API testing related questions were asked
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Q2. What is api testing
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Q3. How do you log bugs
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Q4. What is agilemethodology
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Q5. What is selenium framework
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Hackerank platform with multiple questions.

Q1. Oops, Java, Java collection, String
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Write java program to reverse each word

Q1. Questions on object oriented programming concepts in java
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Q2. How to handle multiple windowns in selenium
Ans. 
Handling multiple windows in Selenium involves switching between windows and performing actions on each window.
• Use getWindowHandles() to get all window handles

• Switch to a specific window using switchTo().window(handle)

• Perform actions on the window

• Switch back to the original window if needed
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Q1. Explain bdd cucumber framework
Ans. 
BDD Cucumber framework is a testing tool that allows for behavior-driven development using plain text descriptions.
• Uses Gherkin syntax to write test scenarios in plain English

• Helps in collaboration between technical and non-technical team members

• Supports automation testing by mapping plain text descriptions to code implementations
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Q2. Oops concepts in java
Ans. 
Oops concepts in Java refer to Object-Oriented Programming principles like Inheritance, Polymorphism, Encapsulation, and Abstraction.
• Inheritance: Allows a class to inherit properties and behavior from another class.

• Polymorphism: Ability of objects to take on multiple forms.

• Encapsulation: Bundling data and methods that operate on the data into a single unit.

• Abstraction: Hiding the implementation details and showing only
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Q1. Abstract class vs interface
Ans. 
Abstract class is a class that can have both abstract and non-abstract methods, while interface is a contract that defines methods that a class must implement.
• Abstract class can have constructors, fields, and methods, while interface can only have abstract methods.

• A class can implement multiple interfaces but can only inherit from one abstract class.

• Abstract classes are used when some common functionality needs to be s...read more
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Q2. Finalize method
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Q1. 2nd largest number from a array
Ans. 
Find the 2nd largest number in an array of strings.
• Convert the strings to numbers before comparing.

• Sort the array in descending order and return the second element.

• Handle edge cases like empty array or array with only one element.
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Q2. List vs set linked list
Ans. 
List is a collection of elements with duplicates allowed, while set is a collection of unique elements. Linked list is a data structure where each element points to the next element.
• List allows duplicates, set does not

• Linked list has elements connected by pointers

• List can be implemented using arrays or linked lists

• Set is implemented using hash tables or trees
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Q1. Test life cycle
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Q2. Why do u want to switch
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