Informatica 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.
Answered by AI
Add your answer
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.
Answered by AI
Add your answer

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
Answered by Tejas
Add your answer
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
Answered by AI
Add your answer
Q3. Selenium practical based questions
Add your answer

Q1. Reason behind leaving current company
Add your answer
Q2. Financial growth, technical growth
Add your answer

Q1. Software Testing
Add your answer
Q2. Application based QA questions
Add your answer

Q1. Software testing, QA and Resume based questions
Add your answer
Q2. Automation and programming related questions
Add your answer

Q1. Explain your day to day Activities
Add your answer
Q2. More into role specific question how to run parallels execution
Add your answer

Q1. Situation questions
Add your answer

Q1. SIP Call flow with headers
Ans. 
SIP call flow involves signaling and media exchange between SIP devices with headers containing important information.
• SIP INVITE message is sent to initiate a call

• SIP 1xx responses indicate call progress

• SIP 2xx response confirms call establishment

• SIP ACK message acknowledges call setup

• SIP BYE message terminates the call
Answered by AI
Add your answer
Q2. SIP mandatory headers
Add your answer

Q1. SERVICE ROUTE,PATH AND RECORD ROUTE HEADER
Add your answer
Q2. K8's Deployment
Ans. 
K8's Deployment refers to the deployment of applications on Kubernetes clusters.
• Kubernetes (K8s) is an open-source container orchestration platform used for automating deployment, scaling, and management of containerized applications.

• K8s Deployment involves defining the desired state of the application, creating deployment configurations, and managing the deployment process.

• Deployment resources in K8s include Pods, Rep...read more
Answered by AI
Add your answer

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
Answered by AI
Add your answer
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
Answered by AI
Add your answer
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
Answered by AI
Add your answer
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.
Answered by AI
Add your answer

Q1. Introduce Yourself? Why should we hire you? What is your relevant experience? Tell me about yourself? What are your salary expectations?
Add your answer

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
Add your answer
Q2. Oops concept java selenium
Add your answer

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
Add your answer

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
Add your answer

Q1. Here they asked about salary disscusion
Add your answer
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
Add your answer

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
Answered by AI
Add your answer
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
Answered by AI
Add your answer