Adroitent Senior QA Engineer Interview Questions and Answers

Q1. Given a String contains only 0s, 1s and 2s, count the number of sub strings that have equal number of 0s, 1s, and 2s. Input : str = "0102010" output : 2. Very Hard question is being asked in interview for...read more
Ans. 
Count the number of substrings with equal number of 0s, 1s, and 2s in a given string.
• Iterate through the string and maintain counts of 0s, 1s, and 2s encountered so far.

• Keep track of the counts in a hashmap and increment the count of substrings whenever counts of 0s, 1s, and 2s are equal.

• Return the total count of substrings at the end.
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Q2. Group of anagrams together. input : ["eat", "tea", "tan", "ate", "nat", "bat"] output : [["eat" ,"tea", "ate"],["tan", "nat"],["bat"]] This is another hard level question is asked in interview for the QA p...read more
Ans. 
Group anagrams together in an array of strings.
• Create a hashmap to store sorted strings as keys and corresponding anagrams as values.

• Iterate through the input array, sort each string, and add it to the hashmap.

• Return the values of the hashmap as the grouped anagrams.
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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. Software Testing
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Q2. Application based QA questions
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Q1. Software testing, QA and Resume based questions
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Q2. Automation and programming related questions
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Q1. Explain your day to day Activities
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Q2. More into role specific question how to run parallels execution
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Q1. Situation questions
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In this first round it was of 45mins which included MCQ question and 1 coding question.

Q1. 1.Difference Between Const,Var,Char. 2.Oop's concept with example 3.JavaScript is async or sync language and explain the reason. 4.How to create a simple object in JavaScript. 5.Find element and Find Eleme...read more
Ans. 
Answers to common interview questions for Automation Test Engineer position.
• Const is used for constant values that cannot be reassigned, var is used for variable declaration, and char is a data type for storing characters in programming languages.

• OOPs concepts include inheritance, encapsulation, polymorphism, and abstraction. Example: Inheritance allows a class to inherit properties and methods from another class.

• JavaS...read more
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Q2. What is Type coercion?
Ans. 
Type coercion is the process of converting one data type to another in programming.
• Type coercion can happen implicitly or explicitly in programming languages.

• Implicit type coercion occurs when the language automatically converts data types during operations.

• Explicit type coercion occurs when the programmer manually converts data types using functions or operators.

• Example: In JavaScript, the addition operator (+) can pe...read more
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Q3. What is Inheritance? Polymorphism?
Ans. 
Inheritance is a mechanism in object-oriented programming where a class inherits properties and behaviors from another class. Polymorphism allows objects of different classes to be treated as objects of a common superclass.
• Inheritance allows for code reusability by defining a new class based on an existing class.

• Polymorphism enables flexibility in programming by allowing objects to be treated as instances of their pare...read more
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Q4. API Error code with explaination?
Ans. 
API error codes are unique identifiers used to indicate specific errors in an API response.
• API error codes are typically numeric or alphanumeric codes that correspond to specific errors in the API.

• Each error code should have a corresponding explanation in the API documentation to help developers understand the issue.

• Examples of API error codes include 400 Bad Request, 401 Unauthorized, and 404 Not Found.
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Q1. Introduce Yourself? Why should we hire you? What is your relevant experience? Tell me about yourself? What are your salary expectations?
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Q1. Java oops concept Selenium all concepts like where we use action class how handle drop-down how to handle alert and windows pop It's all good experience with interviewer
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Q2. Oops concept java selenium
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Q1. They asked about Manual testing They asked about jira they asked about project details some scenario based questions all over experience is good interviewer also very friendly
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Q1. They ask about project they told their work what amdocs products what is amdocs company culture experience was very good manager is also very friendly nature they will co-operate
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Q1. Here they asked about salary disscusion
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Q2. What is expected CTC What amdocs n all hr common questions totaly it was very good experience with all members who can took the interview
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Q1. Linux env setup
Ans. 
Setting up a Linux environment involves installing the operating system, configuring network settings, and installing necessary software.
• Install Linux distribution (e.g. Ubuntu, CentOS)

• Configure network settings (IP address, DNS, etc.)

• Install necessary software (e.g. development tools, testing frameworks)

• Set up user accounts and permissions
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Q2. What are the Linux commands
Ans. 
Linux commands are used to interact with the Linux operating system through the command line interface.
• ls - list directory contents

• cd - change directory

• pwd - print working directory

• mkdir - make a new directory

• rm - remove files or directories

• cp - copy files or directories

• mv - move files or directories

• grep - search for patterns in files

• chmod - change file permissions

• sudo - execute a command as the superuser
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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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