Carelon Global Solutions QA Engineer Interview Questions and Answers

Q1. Write a program to reverse a string with using any string functions
Ans. 
Program to reverse a string without using string functions
• Create a function that takes a string as input

• Initialize an empty string to store the reversed string

• Iterate through the input string in reverse order and append each character to the new string

• Return the reversed string
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Q2. Explain OOps concepts
Ans. 
Object-oriented programming concepts focus on creating objects that interact with each other to solve complex problems.
• Encapsulation: Bundling data and methods that operate on the data into a single unit (object)

• Inheritance: Allowing a new class to inherit properties and behavior from an existing class

• Polymorphism: Objects of different classes can be treated as objects of a common superclass

• Abstraction: Hiding the comp...read more
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Q3. How to use request specification using rest assured
Ans. 
Request specification in Rest Assured is used to define the request details like base URI, path, headers, etc.
• Create a RequestSpecification object using given() method

• Set base URI using baseUri() method

• Set path using basePath() method

• Add headers using header() method

• Add query parameters using queryParam() method

• Example: given().baseUri("https://api.example.com").basePath("/users").header("Authorization", "Bearer token"...read more
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Q1. Explain serialisation and de serialisation in API automation
Ans. 
Serialisation is the process of converting an object into a format that can be easily stored or transmitted, while deserialisation is the reverse process.
• Serialisation is used to convert complex data structures into a string format that can be sent over a network or stored in a file.

• De-serialisation is the process of converting the serialized data back into its original form.

• In API automation, serialisation is often us...read more
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Q2. Explain couple of best practices you have implemented
Ans. 
Implemented automated testing and code reviews for better quality assurance
• Implemented automated testing using Selenium for regression testing

• Introduced code reviews to catch bugs early in the development process

• Utilized continuous integration tools like Jenkins to automate testing processes
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Q1. Why are you interested in our organisation?
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Q2. What is your expectations from this role?
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Q1. Explain OOPS Concepts in java?
Ans. 
OOPS concepts in Java refer to the principles of Object-Oriented Programming such as Inheritance, Encapsulation, Polymorphism, and Abstraction.
• Inheritance: Allows a class to inherit properties and behavior from another class.

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

• Polymorphism: Ability of a method to do different things based on the object it is acting upon.

• Abstraction: Hidi...read more
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Q2. What are the frameworks you have worked on?
Ans. 
I have worked on various testing frameworks such as Selenium, JUnit, TestNG, and Cucumber.
• Selenium

• JUnit

• TestNG

• Cucumber
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Write program to reverse a string without any string functions?

Q1. Why are choosing our organization?
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Q1. Sql, unix and real time scenarios
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Q1. Manager round that contains real time scenarios
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