Objective Systems Integrators Interview Questions and Answers

Q1. Tell me about yourself
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Q2. Expected CTC
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Q3. Why you left your previous company (Negative answers should be avoided)
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Q1. Questions based on the concepts of payroll
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Q2. Expected CTC
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Q3. Discussion regards to Shift timings, Cab facility, Annual leaves, Variable bonus, Relocate bonus.
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Q1. Regards to Payroll questions on what I did on daily basis.
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A sequence was provided: 4181, 2684, 1597, 987, 610.
first 2 are given and write code for other value calculation using java 8

The second question required writing a reverse of a palindrome using both Java 8 streams. I was able to successfully write both and clear the first round.

Q1. Interviewer was himself not knowing anything as it was walkin drive he was sitting infront of me and checking questions on phone Introduction that he inturrepted in between when I was introducing myself
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Q2. What are the features of Java 17, specifically related to sealed classes, including their syntax and necessity, along with the potential errors encountered when invoking a sealed class?
Ans. 
Java 17 introduces sealed classes to restrict inheritance and improve code maintainability.
• Sealed classes are declared using the 'sealed' keyword followed by the permitted subclasses.

• Subclasses of a sealed class must be either final or sealed themselves.

• Errors may occur when trying to extend a sealed class with a non-permitted subclass.
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Q3. Java 8 feathers stream api, functional interface, Intermittent operator ,Ternary operator, Prediction,Bi predicate. Answered all successfully
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Q4. Draw low level design of implementation of notify me if item is back in stock in a ecommerce application
Ans. 
Implementation of 'notify me if item is back in stock' feature in an ecommerce application
• Create a database table to store user notifications for out-of-stock items

• Implement a service to check item availability and send notifications to subscribed users

• Provide a user interface for users to subscribe to notifications for specific items
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Q5. All design patterns which I know. Asked me to implement adapter pattern on paper
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Q6. Then given a problem that concurrent way perform operation on excell to decrease the response time
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Q1. Multi cast in angular
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Q2. Why event emitter what it does
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Q3. Handling multiple api calls
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Q4. Higher order functions
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Q5. Child route and forRoot difference
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Q6. Ng-container , ng-template
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Q1. Explain Callback and callback hell? How to prevent callback hell?
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Q2. Explain Closures?
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Q3. ES6 Features?
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Q4. What is Hoisting?
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Q5. {cat, Act} & {mary, Army} are Anagrams or not? Write a program in Javascript.
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Q6. Difference between var, let, and const in Javascript?
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Q1. What special attributes do you possess that make you a perfect fit for this role, considering that many individuals can perform car service?
Ans. 
I possess excellent communication skills, problem-solving abilities, and a strong customer-centric approach.
• Strong communication skills to effectively interact with customers and address their concerns

• Proven problem-solving abilities to quickly resolve issues and provide satisfactory solutions

• Customer-centric approach to prioritize customer satisfaction and build positive relationships

• Ability to remain calm and compose...read more
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Q2. What skills do you possess that are relevant to the execution of this role?
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I possess strong communication skills, problem-solving abilities, and a customer-centric approach.
• Excellent communication skills to effectively interact with customers and address their concerns

• Strong problem-solving abilities to quickly resolve issues and provide solutions

• Customer-centric approach to ensure customer satisfaction and retention

• Ability to remain calm and patient in challenging situations

• Experience in han...read more
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Q3. What attracted you to choose this company as your new employer?
Ans. 
The company's strong reputation for excellent customer service and commitment to employee development attracted me.
• Reputation for excellent customer service

• Commitment to employee development

• Positive reviews from current and former employees
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Q4. What's your salary expectations
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My salary expectations are in line with industry standards and based on my experience and qualifications.
• Research industry standards for the position

• Consider my experience and qualifications

• Be prepared to negotiate based on job responsibilities and benefits package
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Q1. Do you have experience
Ans. 
Yes, I have 3 years of experience in customer service roles.
• Worked as a customer service representative for 2 years at Company X

• Handled customer inquiries, resolved complaints, and processed orders

• Trained new employees on customer service best practices
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Q2. Are you dedicated to this role
Ans. 
Yes, I am dedicated to this role and committed to providing excellent customer service.
• I have a strong work ethic and always strive to exceed customer expectations

• I am willing to go above and beyond to resolve customer issues and ensure their satisfaction

• I am constantly seeking ways to improve my skills and knowledge in order to better serve customers
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Integrity and honesty

A question regarding mechanical concepts and other inquiries related to amplitude.

Q1. Questions related to resume uploaded and other technical like manufacturing and cad software related
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Q2. Material selection and discussion about company
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Q3. Difficulty where you are structed during the project
Ans. 
I faced difficulty in managing conflicting priorities and deadlines during a project.
• Prioritize tasks based on urgency and importance

• Communicate with team members and stakeholders to manage expectations

• Break down tasks into smaller, manageable chunks to stay on track

• Seek help or guidance from mentors or supervisors when needed
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Q4. Discussion and deep introduction about me and project
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Q5. Discussion about Certificate which achieved in field
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Q1. Java coding output predict related questions , try catch , string concept
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Q2. Switch case
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Q3. Inheritance
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Q4. What challanges faced in automation
Ans. 
Challenges in automation include dynamic UI elements, data synchronization, and maintenance of test scripts.
• Dynamic UI elements can be challenging to automate as they may change frequently.

• Data synchronization between different systems can be difficult to achieve in automation.

• Maintenance of test scripts can be time-consuming, especially when application changes frequently.
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Q1. How to read the data and assert with db value in api automation
Ans. 
To read data and assert with db value in API automation, use API response to extract data and compare with database query result.
• Extract data from API response using JSON parsing libraries like Gson or Jackson

• Execute database query to retrieve expected value

• Compare the extracted data with the database value using assertion libraries like TestNG or JUnit
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Q2. 401 & 403 status code
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Q1. Managerial behavioural questions
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Q1. Tell me about yourself?
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Q2. What is corporate action?
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Q3. Which date is important in divided?
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Q1. What's the reason of leaving previous organisation?
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Q1. Salary discussion
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Basic quant and reasoning questions
Selenium MCQ
Java programs with MCQ

Q1. Tell me about yourself
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Q2. Where you initialise driver
Ans. 
The driver is typically initialized in the setup method of a test automation framework.
• Driver initialization is usually done in a setup method before test execution.

• Commonly used methods for driver initialization include WebDriverManager, System.setProperty, and driver instantiation.

• Example: WebDriverManager.chromedriver().setup();
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Q3. Driver is static or non static
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Driver can be both static and non-static depending on the context of its usage.
• Driver class can be static if it is used to initiate the WebDriver instance in a test automation framework.

• Driver class can be non-static if it is used as an instance variable within a test class.

• Static driver can be accessed directly without creating an object of the class.

• Non-static driver requires an object of the class to be created befo
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Q4. Difference between static and non static
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Static variables belong to the class itself, while non-static variables belong to instances of the class.
• Static variables are shared among all instances of a class

• Non-static variables are unique to each instance of a class

• Static variables are initialized only once, at the start of the program

• Non-static variables are initialized separately for each instance of the class
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Q5. Disadvantages of static and non static
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Static and non-static have their own disadvantages in QA automation testing.
• Static methods cannot be overridden or inherited, making it difficult to create flexible test cases.

• Non-static methods require an instance of the class to be created, which can lead to increased memory usage.

• Static methods can lead to tight coupling between classes, making it harder to maintain and update the code.

• Non-static methods may have de...read more
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Q6. Parallel execution in TestNG
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TestNG allows parallel execution of test cases to save time and improve efficiency.
• TestNG provides the 'parallel' attribute in the testng.xml file to specify the level of parallelism for test execution.

• Parallel execution can be achieved at the test level, class level, method level, or suite level.

• TestNG also supports parallel execution of tests across multiple classes or suites using the 'parallel' attribute in the sui...read more
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Q7. Write the code for Parallel testing in TestNG
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Parallel testing in TestNG allows running tests concurrently for faster execution.
• Use 'parallel' attribute in testng.xml file to specify parallel execution mode.

• Set 'parallel' attribute to 'methods', 'classes', or 'tests' based on the level of parallelism needed.

• Example: <suite name='MySuite' parallel='tests'>

• Use 'thread-count' attribute to specify the number of threads to use for parallel execution.
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Q8. Difference between parallel methods and parallel tests
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Parallel methods run multiple methods concurrently within a single test, while parallel tests run multiple tests concurrently.
• Parallel methods execute multiple methods within a single test class concurrently.

• Parallel tests execute multiple test classes concurrently.

• Parallel methods are useful for speeding up the execution of a single test, while parallel tests are useful for running multiple tests faster.

• Example: Runni...read more
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Q9. Upload file using rest assured
Ans. 
Use Rest Assured to upload a file
• Use the given file path to create a File object

• Use MultiPartSpecBuilder to build the request with the file

• Send the request using Rest Assured's given(), when(), and post() methods
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Q10. Postman basic questions
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Q11. Parameter for post method in postman
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The parameter for a POST method in Postman is typically sent in the request body.
• Parameters are sent in the request body in key-value pairs

• Parameters can be sent as form-data, x-www-form-urlencoded, or raw JSON

• Example: {"key": "value"}
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Q12. BDD Framework cucumber
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Q13. Cucumber execution process
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Q14. How cucumber know step defination file placed
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Cucumber knows the step definition file based on the annotations provided in the feature files.
• Cucumber uses annotations like @Given, @When, @Then to map steps in feature files to corresponding step definition methods.

• Step definition files are typically placed in a separate package or directory within the project structure.

• Cucumber scans the project directory for step definition files based on the package structure and
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Q15. Parameters used in cucumber
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Parameters used in cucumber are used to pass values to the step definitions in feature files.
• Parameters are defined in feature files using < > syntax

• Parameters can be passed to step definitions using Regular Expressions

• Parameters can be used to make scenarios more reusable and dynamic
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Q16. Datatable in cucumber
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Datatable in Cucumber is used to pass multiple sets of data to a step definition in a scenario.
• Datatables are defined using pipes (|) to separate values

• Each row in the datatable represents a set of data passed to the step definition

• Datatables can be used for parameterization and data-driven testing
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Q17. Have u created the testplan document when porject was started
Ans. 
Yes, I have created the test plan document at the start of the project.
• Yes, I always create a test plan document at the beginning of a project to outline the testing approach and strategy.

• The test plan document includes details on scope, objectives, resources, schedule, and test cases.

• It helps in ensuring that all stakeholders are aligned on the testing process and expectations.

• For example, in my previous project, I cr...read more
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Q18. Testing cycle when project was on initial level
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During the initial testing cycle of a project, focus is on establishing test cases, setting up test environments, and identifying potential issues.
• Creating test cases based on requirements

• Setting up test environments

• Identifying potential issues and risks

• Executing test cases and reporting defects

• Collaborating with developers to resolve issues
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Q19. Risk management and risk based testing
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Q20. Which estimate technique you follow , if fibonacci then why it is in 1 2 3 5 8 13 ?? Not in 12345678
Ans. 
Fibonacci sequence is a mathematical pattern where each number is the sum of the two preceding ones.
• Fibonacci sequence is a series of numbers where each number is the sum of the two preceding ones.

• The sequence starts with 1, 2, then each subsequent number is the sum of the two previous numbers (1+2=3, 2+3=5, 3+5=8, and so on).

• This sequence is used in estimating because it reflects natural growth patterns found in natur
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Q21. What is testing matrix and automation ROI
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Testing matrix is a tool used to track test coverage and automation ROI is the return on investment from implementing automation testing.
• Testing matrix is a visual representation of test cases, test scenarios, and their coverage across different platforms, browsers, devices, etc.

• Automation ROI is the measure of the benefits gained from automation testing compared to the costs incurred in implementing and maintaining th...read more
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Q22. Cicd tool
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Q23. Handle team ?
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