Deloitte Selenium Automation Tester Interview Questions and Answers

It depends on the region, for me they conducted tool test in the 1st round.

Q1. Technical questions on previously done projects
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Q2. About software and tool proficiency
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Hacker Rank test with medium difficulty

Q1. Technical discussion mainly around system design, different architectures, problem solving and coding question may be asked.
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A case study for a problem statement

Round duration - 60 Minutes
Round difficulty - Medium

This round started with some basic questions from Software Testing and then the interviewer started asking some questions from Automation Testing.

Q1. Can you explain the Software Testing Life Cycle (STLC)?
Ans. 
STLC is a systematic approach to software testing that defines the testing process from start to finish.
• STLC consists of phases like requirement analysis, test planning, test design, test execution, and test closure.

• Each phase has specific goals and deliverables to ensure the quality of the software.

• STLC helps in identifying defects early in the development cycle, reducing the cost of fixing them later.

• It ensures that ...read more
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Q2. What is the difference between a Test Stub and a Test Driver?
Ans. 
Test Stub simulates the behavior of a module that a component depends on, while Test Driver controls the execution of the test case.
• Test Stub is used to simulate the behavior of a module that a component depends on.

• Test Driver is used to control the execution of the test case and interact with the component being tested.

• Test Stub provides canned answers to calls made during the test, while Test Driver initiates the tes...read more
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Q3. What do you mean by data flow testing?
Ans. 
Data flow testing is a type of white box testing that focuses on the paths that data takes through the application.
• It involves tracing the flow of data through the application to identify any potential issues or errors.

• Data flow testing helps in ensuring that data is processed correctly and efficiently.

• Examples of data flow testing techniques include control flow testing, data dependency testing, and variable definitio...read more
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Q4. What is boundary value analysis?
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Boundary value analysis is a software testing technique used to identify errors at boundaries of input ranges.
• It involves testing the boundaries of input ranges, including minimum, maximum, and just beyond the boundaries.

• Helps in identifying errors that may occur at the edges of input values.

• Example: If a system accepts values from 1 to 100, boundary value analysis would test inputs like 0, 1, 100, and 101.

• It is a blac...read more
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Q5. What are the different parts of a test automation framework?
Ans. 
A test automation framework consists of different components that help in organizing and executing automated tests efficiently.
• Test scripts: Actual test cases written in a programming language like Java or Python.

• Test data: Input data required for executing the test cases.

• Test environment: Configuration settings for executing tests on different platforms.

• Reporting: Generation of test reports to analyze test results.

• Log...read more
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Q6. What are some of the best practices in test automation?
Ans. 
Best practices in test automation include proper planning, maintenance, collaboration, and continuous improvement.
• Create a solid test automation strategy before starting automation efforts.

• Use version control to manage test scripts and ensure traceability.

• Regularly review and update test scripts to maintain relevance and accuracy.

• Collaborate with developers and other team members to align automation efforts with develo...read more
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Q7. How do you automate the testing of CAPTCHA?
Ans. 
Automating CAPTCHA testing involves using third-party services or implementing custom solutions.
• Use third-party services like 2Captcha or Anti-Captcha to solve CAPTCHAs programmatically.

• Implement custom solutions using image recognition libraries like OpenCV to identify and solve CAPTCHAs.

• Integrate CAPTCHA solving functionality into your Selenium automation scripts for seamless testing.
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Q8. What is Protractor?
Ans. 
Protractor is an end-to-end test framework for Angular and AngularJS applications.
• Protractor is built on top of WebDriverJS and uses Jasmine for test syntax.

• It is specifically designed to test Angular and AngularJS applications.

• Protractor can interact with elements on the page using locators like model, binding, repeater, etc.

• It supports both synchronous and asynchronous testing.

• Protractor can handle Angular-specific t...read more
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Round duration - 60 Minutes
Round difficulty - Medium

This round had questions majorly from Selenium and Cucumber.

Q1. What are the different components of Selenium?
Ans. 
Selenium has four main components: Selenium IDE, Selenium WebDriver, Selenium Grid, and Selenium RC.
• Selenium IDE: Record and playback tool for creating test cases.

• Selenium WebDriver: Automation tool for writing test scripts in various programming languages.

• Selenium Grid: Tool for running tests on multiple machines in parallel.

• Selenium RC (Remote Control): Deprecated component for running tests on different browsers.
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Q2. Why should Selenium be selected as a testing tool for web applications or systems?
Ans. 
Selenium is a popular choice for web application testing due to its open-source nature, cross-browser compatibility, and robust automation capabilities.
• Selenium is open-source, making it cost-effective for organizations.

• Selenium supports multiple programming languages like Java, Python, and C#, providing flexibility to automation testers.

• Selenium offers cross-browser compatibility, allowing tests to be run on different...read more
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Q3. What is the difference between Selenium and Cucumber?
Ans. 
Selenium is a testing framework for web applications, while Cucumber is a tool for behavior-driven development.
• Selenium is a testing framework used for automating web applications, while Cucumber is a tool for behavior-driven development (BDD).

• Selenium supports multiple programming languages like Java, Python, etc., while Cucumber uses Gherkin syntax for writing test cases.

• Selenium focuses on automating the testing pro...read more
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Q4. Can you explain the JUnit annotations that are linked with Selenium?
Ans. 
JUnit annotations like @Before, @Test, @After are used in Selenium for setup, execution, and teardown of test cases.
• Annotations like @Before are used to set up preconditions before each test method is executed.

• Annotations like @Test are used to mark a method as a test method.

• Annotations like @After are used to clean up after each test method is executed.

• Annotations like @BeforeClass and @AfterClass are used for setup a...read more
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Q5. How can you run a selected test from a group of tests in Cucumber?
Ans. 
To run a selected test from a group of tests in Cucumber, you can use tags to specify which test to run.
• Add tags to the scenarios in your feature files

• Use the @CucumberOptions annotation in your test runner class to specify the tags to include or exclude

• Run the test using the test runner class with the specified tags
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Q6. What is grouping in the context of Cucumber?
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Grouping in Cucumber allows for organizing related scenarios into logical groups for better management and execution.
• Grouping helps in organizing related scenarios together for better readability and maintenance.

• Tags are used to group scenarios in Cucumber.

• Grouping allows for running specific sets of scenarios based on tags.

• Grouping can be used to run scenarios in parallel or sequentially.

• Example: @smokeTest tag can be...read more
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Q7. Can you explain briefly how Behavioral Driven Development (BDD) works?
Ans. 
BDD is a software development approach that encourages collaboration between developers, testers, and business stakeholders.
• BDD focuses on defining the behavior of a system through examples in plain text

• Uses a common language (like Gherkin syntax) to describe the expected behavior

• Tests are written in a way that they can be easily understood by non-technical stakeholders

• Promotes communication and collaboration between d...read more
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Round duration - 30 Minutes
Round difficulty - Easy

This is a cultural fitment testing round. HR was very frank and asked standard questions. Then we discussed about my
role.

Q1. Why should we hire you?
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Q2. What is something about you that is not included in your resume?
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Dsa questions like search sort

Q1. SQL databse,oops
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Q1. What challenges did you face in your recent project?
Ans. 
I faced challenges in coordinating with offshore team members and managing tight deadlines.
• Coordinating with offshore team members in different time zones

• Managing tight deadlines and ensuring timely delivery of automation scripts

• Dealing with unexpected changes in project requirements
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Q2. What are the roles and responsibilities in your current project?
Ans. 
In my current project, I am responsible for designing, developing, and executing automated test scripts using Selenium.
• Designing test cases and scenarios for automation

• Developing automated test scripts using Selenium WebDriver

• Executing test scripts and analyzing results

• Identifying and reporting defects

• Collaborating with developers and QA team to ensure quality of the software
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Q3. Code: take your name as input and print every letter separately and if any vowel is repeated print those vowels.
Ans. 
The code takes a name as input, prints each letter separately, and identifies repeated vowels.
• Create a function that takes a string input for the name

• Iterate through each letter in the name and print it separately

• Track the vowels and check for repetitions to print repeated vowels
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Q4. What is Fluent Wait?
Ans. 
Fluent Wait is a dynamic wait mechanism in Selenium that waits for a certain condition to be met before proceeding.
• Fluent Wait is used to define the maximum amount of time to wait for a condition, as well as the frequency with which to check the condition.

• It can be customized with different polling intervals and exceptions to ignore.

• Example: WebDriverWait wait = new WebDriverWait(driver, 10); wait.pollingEvery(Duration...read more
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Q5. Difference between findElement and findElements.
Ans. 
findElement returns the first matching element on the web page, while findElements returns a list of all matching elements.
• findElement returns a single WebElement matching the specified locator, while findElements returns a list of WebElements.

• findElement throws NoSuchElementException if no matching element is found, while findElements returns an empty list.

• Example: WebElement element = driver.findElement(By.id("userna...read more
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Q1. What are your salary expectations?
Ans. 
I expect a competitive salary based on my skills, experience, and industry standards.
• Research industry standards: For example, analysts in my region typically earn between $60,000 and $80,000.

• Consider my experience: With 3 years in data analysis, I believe a salary towards the higher end is justified.

• Highlight skills: My proficiency in SQL and data visualization tools adds value, warranting a competitive salary.

• Flexibi...read more
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Q2. Share details of your previous job.
Ans. 
In my previous role as an Analyst, I focused on data analysis, reporting, and strategic recommendations to drive business growth.
• Conducted in-depth data analysis using tools like Excel and SQL to identify trends and insights.

• Developed comprehensive reports that informed senior management decisions, leading to a 15% increase in operational efficiency.

• Collaborated with cross-functional teams to streamline processes, resu...read more
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Q3. Why are you looking for a change?
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I'm seeking new challenges and opportunities for growth that align with my career goals and aspirations.
• Desire for professional growth: I'm looking for a role that offers more opportunities for advancement, such as leadership training.

• Seeking new challenges: My current position has become routine, and I'm eager to tackle more complex projects that push my analytical skills.

• Alignment with career goals: I want to work in...read more
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Q4. What are your strengths and weaknesses?
Ans. 
I excel in analytical thinking and communication, but I sometimes struggle with time management under pressure.
• Strength: Strong analytical skills - I can dissect complex data sets to identify trends and insights, as demonstrated in my previous role.

• Strength: Effective communicator - I can present findings clearly to both technical and non-technical stakeholders, ensuring everyone is aligned.

• Weakness: Time management - ...read more
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Q5. Tell me about yourself.
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Analytical thinker with a background in data analysis, passionate about leveraging insights to drive business decisions.
• Educational Background: Bachelor's degree in Economics, focusing on data analysis and statistics.

• Professional Experience: Worked as a data analyst at XYZ Corp, where I improved reporting efficiency by 30%.

• Technical Skills: Proficient in SQL, Python, and Excel for data manipulation and visualization.

• Pr...read more
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Q1. Previous process knowledge and why looking for change
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