Informatica Business Solutions Senior QA Engineer Interview Questions and Answers

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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Q1. Whais you testing experience in you projector
Ans. 
I have over 5 years of experience in testing various software applications, including web and mobile projects.
• Experience in manual and automated testing

• Strong knowledge of testing methodologies and tools

• Experience in creating test plans and test cases

• Familiarity with Agile and Waterfall development methodologies

• Experience in regression testing and performance testing
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Q1. What is SIT and steps involved in designing test cases
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SIT stands for System Integration Testing. It involves testing the interaction between different components/modules of a system.
• Understand the system architecture and integration points

• Identify the input and output data for each component/module

• Design test cases to validate the interaction between components/modules

• Execute test cases and analyze results

• Report defects and retest after fixes
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Q1. Basic Selenium Java questions and current roles and responsibilities.
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Q1. Introduce yourself and give some brief about work experience
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Basic Java concepts, selenium cases

Q1. Java - Sorting, merging, arrays
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Q1. Compensation, Work experiance
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Q1. Explain About your project
Ans. 
Developed a web application for online shopping with focus on user experience and security.
• Used Selenium for automated testing of UI functionalities

• Implemented API testing using Postman

• Performed security testing to identify vulnerabilities

• Collaborated with developers to ensure quality code delivery
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Q2. What is the recent issues you faced and how you solved.
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Q1. What will you do to reduce the log size stored in AWS
Ans. 
Implement log rotation, set up log expiration policies, compress logs, use log aggregation services.
• Implement log rotation to limit the size of individual log files.

• Set up log expiration policies to automatically delete old logs.

• Compress logs before storing them in AWS to reduce storage space.

• Use log aggregation services like AWS CloudWatch Logs to centralize and manage logs efficiently.
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Q1. Match 14 characters before @ , given an url
Ans. 
Extract the 14 characters before @ in a given URL
• Use string manipulation to extract characters before @ symbol

• Consider edge cases like no @ symbol or less than 14 characters before @

• Handle special characters like %20 or %40
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Q2. Match Atleast one capital, once small case, 1 digit and 1 special character using regex?
Ans. 
Regex pattern to match at least one capital letter, one small case letter, one digit, and one special character.
• Use the regex pattern: (?=.*[A-Z])(?=.*[a-z])(?=.*[0-9])(?=.*[^A-Za-z0-9])

• Example: Password@123
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Q3. Given a string ="This is my interview for QA engineer"; write code to give an output of each word with vowel count?
Ans. 
Code to output each word with vowel count in a given string.
• Split the string into words using space as delimiter

• Iterate through each word and count the number of vowels

• Store the word and its vowel count in an array of strings
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Q4. Given a 2X2 Matrix, find the maximum diagonal sum?
Ans. 
To find the maximum diagonal sum in a 2X2 Matrix, sum the elements of the main diagonal and the opposite diagonal.
• Sum the elements of the main diagonal (top left to bottom right) and the opposite diagonal (top right to bottom left).

• Compare the sums of both diagonals and return the maximum sum.

• Example: For a 2X2 Matrix [[1, 2], [3, 4]], the main diagonal sum is 1+4=5 and the opposite diagonal sum is 2+3=5. The maximum d
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Q5. How do you find the selected option text from dropdown in selenium?
Ans. 
To find the selected option text from a dropdown in Selenium, you can use the getFirstSelectedOption() method.
• Use the Select class to work with dropdown elements in Selenium

• Use the getFirstSelectedOption() method to get the selected option

• Retrieve the text of the selected option using getText() method
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Q6. Given a dropdown contains options with duplicates. Find those duplicates along with its occurrence/frequency?
Ans. 
Find duplicates in a dropdown along with their occurrence/frequency.
• Iterate through the dropdown options and store each option in a hashmap with its frequency.

• Identify options with frequency greater than 1 as duplicates.

• Return the duplicates along with their occurrence/frequency.
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Q7. How do you resolve merge conflicts in git?
Ans. 
Resolve merge conflicts in git by using git commands and tools.
• Pull the latest changes from the remote repository

• Use 'git status' to identify conflicting files

• Open the conflicting files and manually resolve the conflicts

• Add the resolved files to the staging area using 'git add'

• Commit the changes with a merge message using 'git commit'
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Q8. How to bring specific commit changes to your branch?
Ans. 
Use git cherry-pick command to bring specific commit changes to your branch.
• Identify the commit hash of the specific changes you want to bring to your branch.

• Checkout to the branch where you want to apply the changes.

• Use 'git cherry-pick <commit-hash>' command to apply the specific commit changes to your branch.
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Q9. How to switch to frame and come out of it in selenium?
Ans. 
To switch to a frame in Selenium, use driver.switchTo().frame() method. To come out of a frame, use driver.switchTo().defaultContent() method.
• Use driver.switchTo().frame() method to switch to a frame

• Use driver.switchTo().defaultContent() method to come out of a frame

• Example: driver.switchTo().frame("frameName");

• Example: driver.switchTo().defaultContent();
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