Opus Consulting Interview Questions and Answers

Q1. Can you describe your project roles and responsibilities, as well as the framework designs you have implemented?
Ans. 
I have experience in leading testing efforts, creating test plans, executing test cases, and implementing automation frameworks.
• Led testing efforts for multiple projects, creating test plans and strategies

• Executed test cases manually and automated using tools like Selenium

• Implemented automation frameworks such as Page Object Model (POM) and Data-Driven Testing

• Collaborated with developers to ensure test coverage and qua
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Q2. What are the XPaths used to locate elements on a website?
Ans. 
XPaths are used to locate elements on a website by defining the path of the element in the HTML structure.
• XPaths can be used to locate elements based on their attributes, such as id, class, name, etc.

• Absolute XPaths start with a single forward slash (/) and specify the complete path from the root element.

• Relative XPaths start with a double forward slash (//) and specify the path from the current node.

• Example: //input[@...read more
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Q3. What Selenium exceptions have you encountered in your experience?
Ans. 
I have encountered exceptions like NoSuchElementException, ElementNotVisibleException, TimeoutException, StaleElementReferenceException, and InvalidSelectorException.
• NoSuchElementException occurs when an element could not be found in the DOM.

• ElementNotVisibleException is thrown when an element is present in the DOM but not visible on the page.

• TimeoutException is raised when a command does not complete in the specified ...read more
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Q4. Core java and collections in java
Ans. 
Core Java is the foundation of Java programming language, while collections in Java are data structures used to store and manipulate groups of objects.
• Core Java includes concepts like OOP, inheritance, polymorphism, and exception handling.

• Collections in Java provide interfaces like List, Set, and Map for storing and manipulating data.

• Examples of collections in Java include ArrayList, HashSet, and HashMap.
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Q5. Write a program to check if a string is a palindrome or not.
Ans. 
Program to check if a string is a palindrome or not.
• Create a function that takes a string as input

• Remove all non-alphanumeric characters and convert to lowercase

• Compare the string with its reverse to check if it's a palindrome
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Q6. What are agile methodologies and what are the key agile ceremonies?
Ans. 
Agile methodologies are iterative approaches to software development that prioritize flexibility and collaboration.
• Agile methodologies involve breaking down projects into smaller, manageable tasks called user stories.

• Key agile ceremonies include daily stand-up meetings, sprint planning meetings, sprint reviews, and sprint retrospectives.

• Daily stand-up meetings are brief check-ins where team members discuss what they wo...read more
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Q7. What frameworks have you used in your projects?
Ans. 
I have used frameworks such as Selenium, JUnit, TestNG, and Cucumber in my projects.
• Selenium

• JUnit

• TestNG

• Cucumber
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Q8. What are TestNG annotations, and can you explain the TestNG framework?
Ans. 
TestNG annotations are used to control the flow of test methods and provide additional information about the test methods.
• TestNG annotations are used to mark methods as test methods, setup methods, teardown methods, etc.

• Examples of TestNG annotations include @Test, @BeforeMethod, @AfterMethod, @BeforeClass, @AfterClass, @BeforeSuite, @AfterSuite, etc.

• TestNG framework is a testing framework inspired by JUnit and NUnit, ...read more
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Q9. What is the explanation of Object-Oriented Programming (OOP) concepts, and which OOP concepts are utilized in your project?
Ans. 
OOP is a programming paradigm based on the concept of objects, which can contain data and code to manipulate that data.
• Encapsulation: bundling data and methods that operate on the data into a single unit (object)

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

• Polymorphism: ability for objects to be treated as instances of their parent class or their own class

• Abstraction: hiding the comp...read more
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Q10. Tell me about yourself.
Ans. 
Experienced Senior Test Engineer with a strong background in software testing and quality assurance.
• Over 8 years of experience in testing web and mobile applications

• Proficient in test planning, execution, and automation using tools like Selenium and JIRA

• Skilled in identifying and documenting defects, and working closely with development teams to resolve issues

• Strong analytical and problem-solving skills, with a keen ey...read more
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Q1. Tell me about yourself.
Ans. 
Experienced Senior Test Engineer with a strong background in software testing and quality assurance.
• Over 8 years of experience in testing web and mobile applications

• Proficient in test planning, execution, and automation using tools like Selenium and JIRA

• Skilled in identifying and documenting defects, and working closely with development teams to resolve issues

• Strong analytical and problem-solving skills, with a keen at...read more
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Q2. Method overriding and method overloading
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Q3. Cucumber options
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Q4. How to run cucumber framework parallelly
Ans. 
Cucumber framework can be run parallelly using tools like TestNG or JUnit.
• Use TestNG or JUnit to run cucumber tests in parallel

• Configure test runners to run tests in parallel

• Use Maven or Gradle to manage dependencies and run tests
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Q5. Lambda features in java 8
Ans. 
Lambda expressions in Java 8 provide a concise way to represent anonymous functions.
• Lambda expressions are used to provide implementation of functional interfaces.

• They enable functional programming in Java by treating functionality as a method argument.

• Syntax of lambda expressions is (argument) -> (body).

• Example: (int a, int b) -> a + b
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Q6. What defect tracking tools have you used in your project?
Ans. 
I have used Jira, Bugzilla, and HP Quality Center for defect tracking in my projects.
• Jira

• Bugzilla

• HP Quality Center
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Q7. Waits in selenium
Ans. 
Types of waits in Selenium include Implicit Wait, Explicit Wait, and Fluent Wait.
• Implicit Wait: Waits for a certain amount of time before throwing a NoSuchElementException.

• Explicit Wait: Waits for a certain condition to occur before proceeding further in the code.

• Fluent Wait: Waits for a condition to be true with a defined polling frequency.

• Example: driver.manage().timeouts().implicitlyWait(10, TimeUnit.SECONDS);
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Q1. Tell me about urself
Ans. 
Experienced Senior Test Engineer with a strong background in software testing and quality assurance.
• Over 8 years of experience in testing web and mobile applications

• Proficient in test planning, execution, and automation using tools like Selenium and JUnit

• Skilled in identifying and documenting defects, and working closely with development teams to resolve issues

• Strong knowledge of Agile methodologies and continuous inte
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Q2. What motivates you to seek employment with our company?
Ans. 
I am motivated to seek employment with your company because of your reputation for innovation and commitment to excellence.
• I am impressed by the company's track record of success and growth.

• I am excited about the opportunity to work with a talented team of professionals.

• I am drawn to the company's focus on cutting-edge technology and continuous improvement.

• I believe that my skills and experience align well with the com
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Q1. How will you find loyal customers for a store like DMart , SmartBazar
Ans. 
Utilize customer transaction data and behavior analysis to identify loyal customers for DMart and SmartBazar.
• Use customer transaction history to identify frequent shoppers

• Analyze customer behavior patterns such as repeat purchases and average spend

• Implement loyalty programs to incentivize repeat purchases

• Utilize customer feedback and reviews to gauge loyalty

• Segment customers based on their shopping habits and preferenc
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Q2. Who is more valuable a customer who is making small transactions everyday or the customer who makes big transactions in a month
Ans. 
It depends on the business model and goals of the company.
• Small transactions everyday can lead to consistent revenue streams and customer engagement.

• Big transactions in a month can indicate high purchasing power and potential for larger profits.

• Consider customer lifetime value, retention rates, and overall business strategy when determining value.
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Q3. What will you do as a data scientist if the sales of a store is declining
Ans. 
I would conduct a thorough analysis of the sales data to identify trends and potential causes of the decline.
• Review historical sales data to identify patterns or seasonality

• Conduct customer surveys or interviews to gather feedback

• Analyze competitor data to understand market dynamics

• Implement predictive modeling to forecast future sales

• Collaborate with marketing team to develop targeted strategies
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Q4. We have to bundle the items together in the units of 2-3 as a single units like chips of 3 packets together. how to identify which items to bundle and number of units. Create a machine learning model for i...read more
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Q5. You are working in a project, where your approach towards problem is more innovative while the rest of the team is following conventional approach. how will you convince them to follow your approach.
Ans. 
I would showcase the potential benefits and results of my innovative approach to convince the team.
• Highlight the advantages of the innovative approach such as improved efficiency, accuracy, or cost-effectiveness.

• Provide real-world examples or case studies where similar innovative approaches have led to successful outcomes.

• Encourage open discussion and collaboration within the team to explore the potential of combining ...read more
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1. A store has promotional offers how will you analyse that offers are working in their favour.
2. What data will you require if you want to predict the sales of the chocolate in a store.
3. Why data is distributed normally in linear regression.
4. Difference between linear and logistic regression
5. A person who is senior to you and you are working on the same project. But that person has very bad reputation of misbehaving and being rude to people. And he is doing same with you. What will you do?

Q1. Why this much salary you are getting in such less experience?
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Q2. Why did you do Digital marketing after such long time of graduation?
Ans. 
I initially pursued a different career path but found my passion for digital marketing later on.
• Initially focused on a different career path

• Discovered passion for digital marketing later on

• Realized the potential and opportunities in the digital marketing field
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