ServiceNow Senior QA Engineer Interview Questions and Answers

Q1. If 2 threads are given and one burns in 30 minutes, how you can count 45 minutes
Ans. Burn 1 thread at one end another at both ends
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Q2. OOPS concepts explain in practical manner
Ans. 
OOPS concepts are fundamental to software engineering. They help in creating modular, reusable, and maintainable code.
• Encapsulation: Hiding implementation details and exposing only necessary information.

• Inheritance: Reusing code and creating a hierarchy of classes.

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

• Abstraction: Focusing on essential features and ignoring implementation details.

• Example: A car is ...read more
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Q3. Selenium practical based questions
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Q1. Reason behind leaving current company
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Q2. Financial growth, technical growth
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Q1. Questions on whole QA Testing, Windows
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Q2. Types of testing
Ans. 
Types of testing include functional testing, non-functional testing, manual testing, automated testing, regression testing, and performance testing.
• Functional testing: Testing the functionality of the software against the requirements.

• Non-functional testing: Testing aspects like performance, usability, and security.

• Manual testing: Testing performed manually by QA engineers.

• Automated testing: Testing performed using aut...read more
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Q3. How to test a particular scenario
Ans. 
To test a particular scenario, create test cases covering all possible inputs and expected outcomes.
• Identify the specific scenario to be tested

• Create test cases for different inputs and expected outcomes

• Execute the test cases and analyze the results

• Perform regression testing to ensure no new issues are introduced
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Q4. Bugs validation
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Simple coding on python

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. What is oops ?
Ans. 
Object-oriented programming paradigm that focuses on objects and classes for code organization and reusability.
• Encapsulation: bundling data and methods that operate on the data into a single unit (object)

• Inheritance: ability of a class to inherit properties and behavior from another class

• Polymorphism: ability to present the same interface for different data types

• Abstraction: hiding the complex implementation details an
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Q2. Method overloading and overriding
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Q1. What is the STLC, bug severity priority, waits in selenium with syntax, Java oops question with example,
Ans. 
STLC, bug severity priority, waits in Selenium, Java OOPs
• STLC stands for Software Testing Life Cycle and includes phases like requirement analysis, test planning, test design, test execution, and test closure

• Bug severity is the impact of a bug on the system, while bug priority is the order in which bugs should be fixed

• Waits in Selenium are used to make the test script wait for a certain condition to be met before proce...read more
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Q1. Testng priority and annotations
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Q2. Multiple inheritance
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Q3. Hashing concept
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Q1. Selenium XPath Questions
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Q2. Automation Tricky Scenario
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Q1. Java programming
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Q2. Robot framework
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Q1. Api testing, what is path parameter
Ans. 
Path parameter is a part of the URL that comes after the endpoint and is used to identify a specific resource.
• Path parameters are used to pass data to the API endpoint in the URL

• They are specified within curly braces {} in the URL path

• Path parameters are used to identify a specific resource or entity

• Example: /api/users/{userId} where userId is a path parameter
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Q2. Robot framework
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