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

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

Basic criteria for supplier selection include quality, cost, delivery time, reputation, and communication.

• Quality of products or services provided

• Cost of products or services

• Delivery time and reliability

• Supplier's reputation and track record

• Communication and responsiveness

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

Authentication is the process of verifying the identity of a user, while authorization is the process of determining what actions a user is allowed to perform.

• Authentication confirms the identity of a user through credentials like username and password.

• Authorization determines the level of access a user has to resources or features.

• Examples of authentication include login screens and biometric scans.

• Examples of authorization include assigning roles and permissions to users.

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

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

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

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

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

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

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

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.

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

A unique key is a field or combination of fields in a database table that uniquely identifies each record in the table.

• A unique key ensures that no two records in a table have the same values for the specified key fields.

• It can be a single field or a combination of multiple fields.

• Unique keys are used to enforce data integrity and prevent duplicate records.

• Examples: Primary keys, unique constraints.

Docker is a platform for developing, shipping, and running applications in containers.

• Docker allows developers to package an application and its dependencies into a container that can run on any system.

• Containers are lightweight, standalone, and executable packages that include everything needed to run a piece of software.

• Docker provides tools for managing containers, such as Docker Engine for building and running containers, Docker Compose for defining multi-container applic...read more

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

• MSA helps in evaluating the reliability and accuracy of measurement systems.

• It involves assessing the precision, bias, stability, linearity, and repeatability of measurement systems.

• Common tools used in MSA include Gage R&R (Repeatability and Reproducibility) studies and control charts.

• The goal of MSA is to ensure that the measurement system is capable of providing ...read more

PPAP stands for Production Part Approval Process, a standardized process in the automotive industry to ensure suppliers meet quality standards.

• PPAP is a set of guidelines developed by the Automotive Industry Action Group (AIAG) to establish a consistent approach for suppliers to submit parts for approval.

• It includes documentation such as design records, engineering change documents, process flow diagrams, control plans, measurement system analysis, and more.

• PPAP is typically ...read more

Implement stack using queue by using two queues and maintaining the order of elements.

• Use two queues to simulate stack operations - push, pop, top.

• For push operation, add element to queue1.

• For pop operation, move all elements from queue1 to queue2 except the last one, then remove and return the last element.

• For top operation, move all elements from queue1 to queue2 except the last one, then return the last element without removing it.

I'm sorry, I don't understand the question. Could you please provide more context?

• Please provide more information about what you mean by '3rd class experience'

• Is this related to a specific project or industry?

• I am happy to answer any questions you have, but I need more information to do so