Wipro Junior Software Tester Interview Questions and Answers

Aptitude test topics are numerical skills, verbal ability and spatial ability.

The assignment topics are task,duty,job,chore and stint .

Q1. Describe the projects u worked on.
Ans. 
I have worked on various projects involving test automation for web applications using Selenium and API testing using Postman.
• Developed automated test scripts using Selenium WebDriver for regression testing of web applications

• Created test suites and executed test cases using TestNG framework

• Performed API testing using Postman to validate response data and status codes

• Integrated test automation scripts with CI/CD pipeli...read more
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Q2. What is API testing?
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API testing is a type of software testing that involves testing APIs directly to ensure they meet functionality, reliability, performance, and security requirements.
• API testing involves testing the functionality, reliability, performance, and security of APIs.

• It focuses on verifying the communication and data exchange between different software systems.

• API testing can be done at different levels such as unit testing, i...read more
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Q3. Post and patch difference
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Post is used to create a new resource, while patch is used to update an existing resource.
• Post is used to create a new resource in the server.

• Patch is used to update an existing resource in the server.

• Post request typically includes all the data needed to create the resource, while patch request only includes the data that needs to be updated.

• Post requests are idempotent, meaning multiple identical requests will have t...read more
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Q4. What is priority and severity
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Priority and severity are used to classify the impact and importance of a defect in software testing.
• Priority determines the order in which defects should be fixed, based on business needs.

• Severity indicates the impact of a defect on the system or users.

• Priority is usually set by the product owner or business stakeholders.

• Severity is typically determined by the testing team based on the impact on functionality.

• Examples...read more
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Q5. Java coding question on string
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Q1. Difference between hashmap and hashtable?
Ans. 
HashMap is non-synchronized and allows null values, while Hashtable is synchronized and does not allow null values.
• HashMap is non-synchronized and not thread-safe, while Hashtable is synchronized and thread-safe.

• HashMap allows null values for both key and value, while Hashtable does not allow null keys or values.

• HashMap is faster than Hashtable as it is non-synchronized.

• HashMap is part of the Java Collections Framework
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Q2. Types of exceptions in selenium.
Ans. 
Types of exceptions in Selenium include NoSuchElementException, ElementNotVisibleException, StaleElementReferenceException, TimeoutException, and WebDriverException.
• NoSuchElementException: Thrown when an element could not be found in the DOM.

• ElementNotVisibleException: Thrown when an element is present in the DOM but not visible.

• StaleElementReferenceException: Thrown when an element is no longer attached to the DOM.

• Tim...read more
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Q3. Difference between abstract and interface?
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Abstract class can have both abstract and non-abstract methods, while interface can only have abstract methods.
• Abstract class can have constructors, fields, and non-abstract methods, while interface cannot.

• A class can implement multiple interfaces but can only inherit from one abstract class.

• Abstract classes are used to define a common behavior for subclasses, while interfaces are used to define a contract for classes ...read more
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Q1. Salary expectation
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Q1. Explain project architecture?
Ans. 
Project architecture refers to the overall structure of a software project, including components, modules, and their interactions.
• Project architecture defines how different components of a software project are organized and interact with each other.

• It includes the high-level design of the system, such as the database structure, data flow, and integration points.

• Project architecture also involves decisions on technologi...read more
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Q2. Explain challenges you faced in etl testing?
Ans. 
Challenges in ETL testing include data quality issues, complex transformations, and handling large volumes of data.
• Data quality issues such as missing or incorrect data can impact testing results

• Complex transformations can be difficult to validate and may lead to errors in the ETL process

• Handling large volumes of data can slow down testing processes and require efficient testing strategies
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Q3. What are roles and responsibilities?
Ans. 
Roles and responsibilities refer to the tasks and duties assigned to an individual within a specific job or position.
• Roles define the position or job title of an individual within an organization.

• Responsibilities outline the specific tasks, duties, and expectations associated with that role.

• Roles and responsibilities help clarify expectations, define boundaries, and ensure accountability.

• Examples include testing data e...read more
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Q4. How to find duplicate values in python?
Ans. 
Use a dictionary to find duplicate values in an array of strings in Python.
• Create an empty dictionary to store the count of each string in the array.

• Iterate through the array and for each string, check if it exists in the dictionary. If it does, increment the count. If not, add it to the dictionary with a count of 1.

• After iterating through the array, check the dictionary for any strings with a count greater than 1. The
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Q1. What is deferred bug
Ans. 
A deferred bug is a bug that is not fixed immediately but is scheduled to be fixed in a future release.
• Deferred bugs are usually lower priority bugs that do not impact the core functionality of the system.

• These bugs are documented and tracked for resolution in a later release.

• Examples of deferred bugs include cosmetic issues, minor usability problems, or non-critical functionality issues.
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Q2. Query to get 4th highest row based on a column
Ans. 
Use SQL query with ORDER BY and LIMIT to get 4th highest row based on a column
• Use ORDER BY clause to sort the column in descending order

• Use LIMIT 1 OFFSET 3 to get the 4th highest row

• Example: SELECT * FROM table_name ORDER BY column_name DESC LIMIT 1 OFFSET 3
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Q1. What is the performance testing
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Performance testing is a type of testing to ensure software applications perform well under expected workload.
• Performance testing evaluates the speed, responsiveness, and stability of an application under various load conditions.

• It helps identify bottlenecks, performance issues, and areas for improvement in the application.

• Types of performance testing include load testing, stress testing, and scalability testing.

• Tools ...read more
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Q2. What is the correlation
Ans. 
Correlation is a statistical measure that describes the strength and direction of a relationship between two variables.
• Correlation values range from -1 to 1, with 0 indicating no correlation, 1 indicating a perfect positive correlation, and -1 indicating a perfect negative correlation.

• Positive correlation means that as one variable increases, the other variable also increases. Negative correlation means that as one var...read more
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Q3. Performance testing is used for checking the application behavior in terms of speed stability and scalability under various of work load
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Q4. Correlation : Means replacing dynamic value by a parameter.In Correlation handling Dynamic Data generated by Server side.
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Q1. Different types of waits
Ans. 
Different types of waits include implicit, explicit, and fluent waits in automation testing.
• 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 specified frequency of checking.

• Example: WebDriverWait in Selenium is an example of explicit w
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Q2. Multiple window handles
Ans. 
Multiple window handles are used in automation testing to handle multiple browser windows or tabs simultaneously.
• Use getWindowHandles() method to get all the window handles

• Switch between window handles using switchTo().window(handle)

• Close a specific window handle using driver.close()

• Example: driver.getWindowHandles()

• Example: driver.switchTo().window(handle)
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Q1. Sallary expected
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Q2. Location preference
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Q1. Sql Quires related question.
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Q2. Data ware house related question
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Q3. What is entry criteria & exit criteria
Ans. 
Entry criteria and exit criteria are conditions that must be met before and after testing, respectively.
• Entry criteria are the conditions that must be fulfilled before testing can begin

• Exit criteria are the conditions that must be fulfilled before testing can be considered complete

• Entry criteria can include having test data ready, test environment set up, and test cases prepared

• Exit criteria can include all test cases ...read more
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