Impelsys Senior QA Engineer Interview Questions and Answers

Basic Aptitude questions. Candidate with average knowledge can crack it.

Two programming questions were asked. Difficulty level was medium.

Q1. Technical questions related to programming.
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Q1. HR type questions
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Interviewer gave a java program and asked output.

Q1. 1.Actions 2.Alerts 3.diff between string buffer and string builder 4. diff between hash map and hash table 5.program to find index of character in string 6.program to find character occurrences in a string...read more
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Q1. About your expertise.
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Q2. Team management.
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Q1. Introduce yourself and give some brief about work experience
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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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Q1. Java code to find a substring
Ans. 
Java code to find a substring in an array of strings
• Use the contains() method to check if a string contains the substring

• Iterate through the array of strings and check each string for the substring

• Use the indexOf() method to find the index of the substring within the string
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Q2. Write getter setter for the given scenario
Ans. 
Write getter setter for a scenario in a Senior QA Engineer interview
• Create private variables for the data you want to get and set

• Create public getter methods to access the private variables

• Create public setter methods to modify the private variables
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Q1. Method overload, Method Over ride, Inheritance, POM model explanation, Run only failed test cases in TESTNG how to achieve this, How to determine the tool for project, Write the X-path for random web e...read more
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