Cognizant Manual Automation Test Engineer Interview Questions and Answers

Q1. What are assertion in selenium? And how do you handle it?
Ans. 
Assertions in Selenium are used to verify the expected outcome of a test. They help in validating the correctness of the application under test.
• Assertions are used to compare the actual and expected values in a test

• They help in identifying if the test has passed or failed

• Assertions can be used to validate elements, text, attributes, etc.

• Handling assertions involves using assertion methods provided by Selenium or test f...read more
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Q2. Write a program on reverse a string
Ans. 
This program reverses a given string.
• Use a loop to iterate through each character of the string.

• Create a new string and append each character from the original string in reverse order.

• Return the reversed string as the output.
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Q3. What is functional and regression testing?
Ans. 
Functional testing verifies that the software meets the specified requirements, while regression testing ensures that the existing functionality is not affected by new changes.
• Functional testing focuses on testing the individual functions or features of the software.

• Regression testing is performed to ensure that the existing functionality is not broken after making changes or adding new features.

• Functional testing is u...read more
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Q4. Interface and inheritance!
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Q5. Frameworks andstuffs
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Q1. Discuss 4 case study related to supply chain management.
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Round duration - 140 minutes
Round difficulty - Medium

Test timing was at 2:00 pm , it was conducted in a college and the environment was good for the test. Camera was a primary part of test, so no suspicious activity.

Q1. 
Sum of Two Numbers Represented as Arrays
Given two numbers in the form of two arrays where each element of the array represents a digit, calculate the sum of these two numbers and return this sum as an ar...read more
Ans. 
Given two numbers represented as arrays, calculate their sum and return the result as an array.
• Iterate through the arrays from right to left, adding digits and carrying over if necessary

• Handle cases where one array is longer than the other by considering the remaining digits

• Ensure the final sum array does not have any leading zeros
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Round duration - 20 minutes
Round difficulty - Easy

The round was conducted at around 12 p.m. I was called at the college location and then it was conducted. The interviewer was quite polite and frank.

Round duration - 8 minutes
Round difficulty - Easy

This round was conducted right after finishing and clearing the technical round at the same place and on the same day.

Q1. Solid principles in c#
Ans. 
Solid principles are a set of design principles for writing maintainable and scalable code in C#.
• Single Responsibility Principle (SRP) - a class should have only one reason to change

• Open/Closed Principle (OCP) - a class should be open for extension but closed for modification

• Liskov Substitution Principle (LSP) - derived classes should be substitutable for their base classes

• Interface Segregation Principle (ISP) - client...read more
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