Optum Global Solutions Senior Software Tester Interview Questions and Answers

Q1. Automation framework
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Q2. Automation web app
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Q1. Advantages of Agile Methodology
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Agile methodology allows for flexibility, collaboration, and faster delivery of high-quality software.
• Encourages customer involvement and feedback throughout the development process

• Allows for changes and adjustments to be made quickly and efficiently

• Promotes teamwork and communication among team members

• Delivers working software in shorter timeframes

• Reduces the risk of project failure

• Increases customer satisfaction

• Examp
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Q2. TCD is based on what criteria?
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TCD is based on the criteria of time, cost, and deliverables.
• TCD stands for Time, Cost, and Deliverables.

• It is a project management approach that focuses on these three criteria.

• The goal is to complete the project within the given time and budget while delivering the desired results.

• For example, if a software development project is using TCD, the team will prioritize tasks based on their impact on time, cost, and deliv...read more
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Q3. Basics of API testing questions
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Q4. What does backlog mean?
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Backlog is a list of tasks or requirements that need to be completed in a project.
• Backlog is a prioritized list of work items

• It includes user stories, bugs, and technical tasks

• It is constantly updated throughout the project

• It helps the team to plan and track progress

• Examples: JIRA, Trello, Asana
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Q1. How do you handle unplanned leaves in your team?
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Q2. A scrum master in Agile is equivalent to which position in water fall?
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Scrum Master in Agile is equivalent to Project Manager in Waterfall.
• Scrum Master is responsible for facilitating the Agile process and ensuring the team follows it.

• Project Manager is responsible for managing the project from start to finish in Waterfall.

• Both roles involve managing the team and ensuring the project is completed on time and within budget.

• However, the approach and methodology used are different in Agile a
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Q1. What is the Difference Between Drop and Truncate Command ?
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Drop command deletes the table structure along with data, while truncate command deletes only the data.
• Drop command removes the table structure and all its data, while truncate command only removes the data but keeps the table structure intact.

• Drop command is a DDL (Data Definition Language) command, while truncate command is a DML (Data Manipulation Language) command.

• Drop command is slower than truncate command as it ...read more
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Q2. What are the Validations you Perform in your Project ?
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In my project, I perform validations such as data completeness, data accuracy, data transformation, and data integrity checks.
• Data completeness checks to ensure all required fields are populated

• Data accuracy checks to verify the correctness of data

• Data transformation checks to validate the transformation rules are applied correctly

• Data integrity checks to maintain data consistency and reliability
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Q3. What is Star Schema and Snow flake schema ?
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Star Schema is a type of database schema where a central fact table is connected to multiple dimension tables. Snowflake Schema is a normalized form of Star Schema where dimension tables are further normalized into sub-dimension tables.
• Star Schema has a central fact table connected to multiple dimension tables

• Snowflake Schema is a normalized form of Star Schema with sub-dimension tables

• Star Schema is denormalized for b...read more
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Q4. What is Fact and Dimension Tables
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Fact tables contain quantitative data while dimension tables contain descriptive attributes.
• Fact tables store measurable, quantitative data such as sales revenue or quantity sold

• Dimension tables store descriptive attributes related to the data in the fact table, such as product name or customer details

• Fact tables are typically normalized while dimension tables are denormalized for easier querying

• Example: In a sales dat...read more
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Lambda, recursion, list comprehension

Q1. Explain project architecture?
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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?
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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?
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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?
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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. How to switch to frame
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To switch to a frame in test automation, use the switchTo() method in Selenium WebDriver.
• Use driver.switchTo().frame() method to switch to a frame by index, name, or WebElement.

• To switch back to the default content, use driver.switchTo().defaultContent().

• Make sure the frame is present and loaded before switching to it.
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Q2. Write a program to reverse a string
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Program to reverse a string using array of characters
• Create an array of characters to store the input string

• Iterate through the input string and store each character in the array

• Iterate through the array in reverse order to construct the reversed string
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Q1. What is regression testing
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Regression testing is the process of retesting a software application to ensure that new code changes have not adversely affected existing functionality.
• Regression testing is performed after code changes to verify that the existing features still work correctly.

• It helps in identifying any defects introduced by new code changes.

• Regression testing can be automated to save time and effort.

• Examples include running test cas...read more
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Q2. What is different between smoke and sanitary
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Smoke testing is a quick test to check if the basic functionalities of the software are working fine, while sanity testing is a more thorough test to check if the specific functionalities are working as expected.
• Smoke testing is a subset of sanity testing

• Smoke testing is done to check if the build is stable enough for further testing

• Sanity testing is done to check specific functionalities after changes have been made

• Sm...read more
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Q1. Smoke vs sanity
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Smoke testing is a quick test to check if the basic functionalities of the software are working, while sanity testing is a more thorough test to ensure that the software is ready for further testing.
• Smoke testing is done to check if the critical functionalities of the software are working properly.

• Sanity testing is done to ensure that the software is stable and ready for further testing.

• Smoke testing is usually done be...read more
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Q2. Scrum and agile
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