Website Testing Interview Questions and Answers for 2 years experience
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What is the difference between Verification and Validation?
- Answer: Verification checks if we are building the product right (following specifications), while validation checks if we are building the right product (meeting user needs and requirements).
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Explain the different types of software testing.
- Answer: There are many types, including Unit, Integration, System, Acceptance (UAT), Regression, Functional, Non-functional (Performance, Security, Usability, etc.), Smoke, Sanity, and more. Each focuses on a different aspect of the software.
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What is the difference between black box testing and white box testing?
- Answer: Black box testing is done without knowledge of the internal code, focusing on inputs and outputs. White box testing involves examining the internal code structure and logic.
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What is a test case? Provide an example.
- Answer: A test case is a set of steps to test a specific functionality. Example: For a login form, a test case might be: 1. Enter correct username, 2. Enter correct password, 3. Click login, 4. Verify successful login and redirection to the home page.
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What is a test plan?
- Answer: A test plan is a document that outlines the testing strategy, scope, objectives, schedule, resources, and deliverables for a software testing project.
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What is a test suite?
- Answer: A test suite is a collection of test cases related to a specific module or feature.
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Explain the software development lifecycle (SDLC).
- Answer: SDLC is a structured process for planning, creating, testing, and deploying software. Common models include Waterfall, Agile (Scrum, Kanban), and DevOps.
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What is Agile testing?
- Answer: Agile testing is a testing approach that aligns with Agile development methodologies, emphasizing continuous testing, collaboration, and rapid feedback loops.
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What are the different levels of testing?
- Answer: Unit, Integration, System, Acceptance (UAT).
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Describe your experience with bug reporting.
- Answer: [Candidate should describe their process, including tools used, details included in bug reports (steps to reproduce, expected vs. actual results, screenshots, severity, priority), and communication with developers.]
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What is a bug life cycle?
- Answer: The bug life cycle describes the stages a bug goes through, from its discovery to its resolution and closure. This typically includes stages like New, Assigned, Open, Resolved, Retest, Verified, Closed, and Reopened.
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What testing tools are you familiar with?
- Answer: [Candidate should list tools they've used, e.g., Selenium, JMeter, Postman, Browser developer tools, etc. and briefly describe their experience with each.]
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How do you prioritize test cases?
- Answer: Prioritization is based on risk, criticality, business impact, and dependencies. High-risk areas and critical functionalities are tested first.
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Explain the concept of test-driven development (TDD).
- Answer: TDD involves writing tests *before* writing the code. The tests define the desired functionality, and the code is written to pass the tests.
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What is regression testing?
- Answer: Regression testing is performed after code changes to ensure that new code hasn't introduced bugs or broken existing functionality.
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What is smoke testing?
- Answer: Smoke testing is a preliminary test to verify that the critical functionalities of a build are working correctly before more extensive testing.
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What is sanity testing?
- Answer: Sanity testing is a quick check to ensure that a specific functionality is working as expected after a minor code change or bug fix.
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What is performance testing? What are its different types?
- Answer: Performance testing evaluates the responsiveness, stability, scalability, and resource usage of a website under various load conditions. Types include Load Testing, Stress Testing, Endurance Testing, Spike Testing.
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How do you handle a situation where you find a large number of bugs?
- Answer: Prioritize bugs based on severity and impact, categorize them, and report them systematically. Collaborate with the development team to discuss solutions.
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What is the difference between a defect and a bug?
- Answer: The terms are often used interchangeably. A defect is a flaw in the software, while a bug is often a specific instance of that flaw that causes unexpected behavior.
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What is usability testing?
- Answer: Usability testing evaluates how easy and user-friendly a website is for its intended users.
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How do you ensure test coverage?
- Answer: Through careful planning and designing test cases that cover all aspects of the application, including various inputs, edge cases, and user scenarios. Tools can help track test coverage.
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What is security testing? What are some common vulnerabilities?
- Answer: Security testing identifies vulnerabilities in a website to prevent unauthorized access or data breaches. Common vulnerabilities include SQL injection, cross-site scripting (XSS), and cross-site request forgery (CSRF).
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Explain your experience with different browsers and devices.
- Answer: [Candidate should list the browsers and devices they've tested on and mention any cross-browser or cross-device testing challenges they've encountered.]
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How do you handle conflicting priorities in testing?
- Answer: Communicate with stakeholders to clarify priorities and escalate conflicts if necessary. Prioritize based on risk and business impact.
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Describe a time you had to deal with a difficult or unexpected issue during testing.
- Answer: [Candidate should describe a specific situation, the steps they took to resolve it, and what they learned from the experience.]
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How do you stay updated with the latest testing trends and technologies?
- Answer: [Candidate should describe how they stay current, e.g., online courses, conferences, blogs, industry publications, etc.]
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What are your strengths and weaknesses as a tester?
- Answer: [Candidate should provide specific examples to support their claims. Weaknesses should be framed constructively, showing self-awareness and a desire for improvement.]
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Why are you interested in this position?
- Answer: [Candidate should tailor this answer to the specific job description and company, highlighting relevant skills and interests.]
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Where do you see yourself in five years?
- Answer: [Candidate should express a desire for growth and advancement within the company, possibly mentioning specific roles or areas of interest.]
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What is your salary expectation?
- Answer: [Candidate should research the average salary for similar roles in the area and provide a range based on their experience and skills.]
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