30+ SQA Engineer Interview Questions and Answers

I would explain the root cause of the bug and provide a plan to fix it.

• Acknowledge the issue and apologize for the inconvenience caused

• Explain the root cause of the bug and how it was missed during testing

• Provide a plan to fix the bug and a timeline for the fix

• Assure the customer that steps will be taken to prevent similar issues in the future

• Offer compensation or a workaround if possible

To test two reports that point to separate databases, compare the data in both reports and verify their accuracy.

• Identify the databases that the reports are pointing to

• Retrieve the data from both databases

• Compare the data in the reports to ensure they match

• Verify the accuracy of the data by cross-referencing with the original sources

• Perform data integrity checks to ensure the data is consistent and complete

Regulatory reporting refers to the submission of data to regulatory agencies to ensure compliance with laws and regulations.

• Regulatory reporting is mandatory for companies in various industries such as finance, healthcare, and energy.

• It involves collecting and submitting data on various aspects of the business such as financial performance, risk management, and compliance with regulations.

• The data is submitted to regulatory agencies such as the SEC, FDA, and EPA.

• Regulatory re...read more

HTTP protocol is used to transfer data over the internet. It works on a client-server model.

• HTTP stands for Hypertext Transfer Protocol.

• It uses TCP/IP as its underlying transport protocol.

• HTTP requests are sent by the client and responses are sent by the server.

• HTTP requests consist of a request line, headers, and an optional message body.

• HTTP responses consist of a status line, headers, and an optional message body.

• HTTP uses different methods like GET, POST, PUT, DELETE, etc...read more

Authentication verifies the identity of a user, while authorization determines what actions they are allowed to perform in an API.

• Authentication ensures the user is who they claim to be, usually through credentials like username and password.

• Authorization determines the level of access a user has once authenticated, such as read-only or read-write permissions.

• Error codes in APIs are used to communicate issues with authentication or authorization, such as 401 Unauthorized for ...read more

DNS name resolution translates domain names to IP addresses.

• When a user types a domain name in the browser, the DNS resolver sends a query to the DNS server.

• The DNS server looks up the domain name in its database and returns the corresponding IP address.

• If the DNS server doesn't have the IP address, it sends a query to other DNS servers until it finds the IP address.

• The IP address is then returned to the DNS resolver, which passes it to the browser to establish a connection.

5 important components in a test plan are objectives, scope, test strategy, test cases, and test environment.

• Objectives: Clearly define the purpose and goals of testing.

• Scope: Define the boundaries of testing, what is included and excluded.

• Test Strategy: Define the approach to testing, including types of testing and tools used.

• Test Cases: Define the specific tests to be executed, including expected results.

• Test Environment: Define the hardware, software, and network configura...read more

A palindrome is a string that reads the same forwards and backwards, like 'radar' or 'level'.

• Definition: A palindrome is a word, phrase, or sequence that reads the same backward as forward. Examples include 'madam' and 'racecar'.

• Algorithm: To check if a string is a palindrome, compare characters from the start and end, moving towards the center.

• Case Sensitivity: Palindrome checks can be case-sensitive or case-insensitive. For example, 'A man a plan a canal Panama' is a palind...read more

Basic principles of Software Testing include thoroughness, early testing, defect clustering, and exhaustive testing.

• Thoroughness: Testing should cover all aspects of the software to ensure no bugs are missed.

• Early testing: Testing should start as early as possible in the development process to catch and fix issues sooner.

• Defect clustering: Most defects are found in a small number of modules or areas of the software.

• Exhaustive testing: It is impossible to test every possible i...read more

Product life cycle refers to the stages a product goes through from its introduction to its decline and eventual discontinuation.

• The stages of product life cycle are: introduction, growth, maturity, decline, and discontinuation.

• During the introduction stage, the product is launched and marketed to create awareness and generate demand.

• In the growth stage, sales and revenue increase rapidly as the product gains popularity.

• During the maturity stage, sales growth slows down and t...read more

Selecting a supplier involves evaluating their quality, reliability, cost, and ability to meet requirements.

• Evaluate supplier's quality standards and certifications

• Assess supplier's track record for reliability and on-time delivery

• Compare costs and negotiate favorable terms

• Ensure supplier can meet specific project requirements

• Consider supplier's location and proximity to reduce shipping costs

• Seek feedback from other companies who have worked with the supplier

Process improvement in shop floor helps to optimize production, reduce waste, and increase efficiency.

• Identify bottlenecks and inefficiencies in the production process

• Implement lean manufacturing principles to reduce waste and increase efficiency

• Use data analysis to identify areas for improvement

• Implement continuous improvement processes to ensure ongoing optimization

• Train employees on new processes and technologies to improve productivity

• Regularly review and update processes...read more

Different types of software testing include unit testing, integration testing, system testing, acceptance testing, and regression testing.

• Unit testing: Testing individual components or modules of the software.

• Integration testing: Testing how different modules work together.

• System testing: Testing the entire system as a whole.

• Acceptance testing: Testing to ensure the software meets the requirements of the end users.

• Regression testing: Testing to ensure that new code changes do...read more

PPB stands for Parts Per Billion, a unit of measurement used to describe extremely small concentrations of substances in a mixture.

• PPB is used to express the ratio of the mass of a contaminant to the total mass of the mixture, multiplied by one billion.

• It is commonly used in environmental science, chemistry, and toxicology to measure trace amounts of pollutants in air, water, soil, and food.

• For example, if a water sample contains 1 microgram of lead in 1,000,000 micrograms of...read more

MSA stands for Measurement System Analysis. It is a study to understand the variation in measurement systems.

• MSA helps in determining the accuracy, precision, and stability of a measurement system.

• Types of MSA include Gage R&R (Repeatability and Reproducibility), Bias study, Linearity study, Stability study, etc.

• Gage R&R is commonly used to assess the variation in measurement systems caused by operators and equipment.

• MSA is crucial in ensuring the reliability of measurement d...read more

STLC is Software Testing Life Cycle which includes various phases like requirement analysis, test planning, test design, test execution, and test closure. Bug life cycle is the process of a bug from identification to resolution.

• STLC includes phases like requirement analysis, test planning, test design, test execution, and test closure

• Bug life cycle involves stages like New, Assigned, Open, Fixed, Retest, Reopened, and Closed

• In STLC, testing activities are planned and executed...read more

Providing constructive feedback can enhance the interview process for both parties involved.

• The interviewer was well-prepared and asked relevant questions that aligned with the job role.

• I appreciated the clarity of the questions, which allowed me to showcase my skills effectively.

• The interviewer maintained a professional demeanor, making the environment comfortable for discussion.

• Feedback on my answers was provided, which helped me understand areas for improvement.

PPAP documents refer to Production Part Approval Process documents used in manufacturing to ensure quality and consistency.

• PPAP documents are a set of documents used in the automotive industry to establish confidence in suppliers and their production processes.

• They include items such as design records, engineering change documents, process flow diagrams, control plans, and measurement system analysis.

• PPAP documents help ensure that suppliers understand customer requirements a...read more

An Inner Join combines rows from two or more tables based on a related column between them.

• Inner Join returns only the rows with matching values in both tables.

• Syntax: SELECT columns FROM table1 INNER JOIN table2 ON table1.column = table2.column;

• Example: SELECT employees.name, departments.department_name FROM employees INNER JOIN departments ON employees.department_id = departments.id;

• You can join multiple tables using Inner Join by chaining them: SELECT * FROM table1 INNER J...read more

Mobile application testing methods involve manual testing, automated testing, and performance testing.

• Manual testing involves testers manually executing test cases on the mobile application.

• Automated testing uses tools to automate test cases and verify the functionality of the application.

• Performance testing checks the responsiveness, stability, and scalability of the mobile application under various conditions.

SDLC stands for Software Development Life Cycle. It is a process used to develop software applications.

• SDLC is a structured approach that consists of various phases such as requirements gathering, design, development, testing, deployment, and maintenance.

• Each phase has specific activities and deliverables that ensure the successful development and delivery of software.

• SDLC models include Waterfall, Agile, Spiral, and Iterative.

• Waterfall model follows a sequential approach whe...read more

Our testing framework is based on Selenium WebDriver and TestNG for automated testing, with a combination of manual testing for comprehensive coverage.

• Utilize Selenium WebDriver for automated testing of web applications

• Implement TestNG for test case management and execution

• Combine automated testing with manual testing for thorough coverage

• Use Page Object Model design pattern for better test maintenance

• Leverage data-driven testing for testing different scenarios

I have worked on multiple projects in the past, including a healthcare application and a financial management system.

• Worked on a healthcare application that involved testing the functionality of patient registration, appointment scheduling, and medical record management.

• Contributed to the development of a financial management system that involved testing the accuracy of financial calculations and data analysis.

• Collaborated with cross-functional teams to ensure timely delivery...read more

Selenium is a popular open-source automation testing tool used for web application testing.

• Selenium supports multiple programming languages like Java, Python, C#, etc.

• It can automate web browsers and simulate user interactions.

• Selenium WebDriver is the most commonly used component for writing automation scripts.

• Selenium Grid allows parallel execution of tests across different browsers and operating systems.

Welding process parameters are the settings and conditions used to perform a welding operation.

• Welding process parameters include voltage, current, wire feed speed, gas flow rate, and travel speed.

• These parameters can vary depending on the type of welding process being used, such as MIG, TIG, or stick welding.

• Properly setting and controlling welding process parameters is crucial for achieving a high-quality weld and preventing defects.

• Examples of defects that can occur due to...read more

SPC (Statistical Process Control), MSA (Measurement System Analysis), and PDCA (Plan-Do-Check-Act) are quality management tools used to improve processes.

• SPC involves monitoring and controlling a process to ensure it stays within acceptable limits

• MSA is used to evaluate the measurement system's accuracy, precision, and stability

• PDCA is a continuous improvement cycle that involves planning, executing, checking, and acting on improvements

• Example: Using SPC to monitor the temper...read more

I'm here to contribute my skills in software quality assurance to ensure high-quality software delivery and enhance user satisfaction.

• I have a strong background in testing methodologies, including manual and automated testing.

• For example, I implemented automated test scripts that reduced testing time by 30%.

• I am passionate about identifying bugs early in the development cycle to improve product quality.

• In my previous role, I collaborated with developers to resolve issues quic...read more