AVEVA 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
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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
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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. Java related qs
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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. SIP Call flow with headers
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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
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Q2. SIP mandatory headers
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Q1. SERVICE ROUTE,PATH AND RECORD ROUTE HEADER
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Q2. K8's Deployment
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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
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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
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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?
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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?
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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?
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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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It included aptitude...selenium questions...java mcq questions...and a program to write

Q1. Abstraction related questions
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Q2. Interface, JIT, inheritance, java architecture
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Q3. SQL questions...diff between char and varchar.....pk and fk....
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Q1. Introduce yourself
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Q2. Why should I hire you
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Q1. What is oops ?
Ans. 
Object-oriented programming paradigm that focuses on objects and classes for code organization and reusability.
• Encapsulation: bundling data and methods that operate on the data into a single unit (object)

• Inheritance: ability of a class to inherit properties and behavior from another class

• Polymorphism: ability to present the same interface for different data types

• Abstraction: hiding the complex implementation details an
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Q2. Method overloading and overriding
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General topics like Artificial Intelligence positive or negative impacts

Q1. Everything from resume
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Q1. General questions
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