Manual Testing Interview Questions For Experienced
Manual Testing
Manual Testing Interview Questions For Experienced
Manual testing is the process of identifying defects and issues in a software application by executing tests manually without the aid of any automation tools. Experienced professionals are expected to have a thorough understanding of the software development life cycle, testing methodologies, and various testing techniques. In an interview, candidates are likely to be asked about their experience in manual testing, their understanding of the project and its requirements, their approach to creating test cases, and their problem-solving skills. Some common manual testing interview questions for experienced professionals may also include questions about test design techniques, defect reporting and tracking, regression testing, and integration testing. Candidates may also be evaluated on their communication skills, adaptability, and ability to work under pressure in a fast-paced environment.
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1 - What is the difference between verification and validation?
Verification refers to the process of checking whether a software or system meets its specified requirements and specifications. It is usually done through reviews, walkthroughs, and inspections to identify defects and errors.
On the other hand, validation is the process of evaluating whether the software or system meets the expectations and requirements of the end user. It involves testing the system in a real world environment to ensure that it meets the customer's needs and expectations.
2) What is the difference between regression testing and retesting?
Regression testing involves retesting the unchanged parts of the software after a code change or fix has been made. Its purpose is to ensure that the bug has been fixed and does not introduce any new issues.
Retesting, on the other hand, is performed when a bug has been fixed, and the entire test case has to be executed again to ensure that the bug has been resolved. It is focused on verifying the specific functionality affected by the bug.
3) What is the difference between smoke testing and sanity testing?
Smoke testing is a high level, shallow level of testing that is performed to check if the most critical functionalities of the system are working correctly. It is usually performed before performing more comprehensive testing to identify any critical issues that may affect the rest of the testing.
Sanity testing is a more in depth level of testing and is performed to determine if the bugs reported in the previous build have been fixed. It is focused on verifying specific functionalities of the system for sanity and does not cover the entire system.
4) What is exploratory testing?
Exploratory testing is an approach to testing where the tester explores and learns about the system while testing it. It involves minimal planning and the tester relies on their intuition, experience, and knowledge about the system to identify defects and issues. It is often used for ad hoc testing or when the system is new and requirements are changing.
5) What are the different types of testing?
There are various types of testing performed in the software development life cycle, including:
Unit testing: Testing individual units or components of the system.
Integration testing: Testing how different units or components integrate and work together.
System testing: Testing the system as a whole to ensure it meets all functional and non functional requirements.
Acceptance testing: Testing the system to ensure it meets the customer's expectations and requirements.
Regression testing: Re testing the system to ensure changes or fixes do not introduce new issues.
Performance testing: Testing the system's performance and scalability.
Security testing: Testing the system for vulnerabilities and ensuring data is secure.
6) What is risk based testing?
Risk based testing is a type of software testing that prioritizes the features or functionalities based on their level of risk to the project or business. It involves identifying critical areas of the system and performing extensive testing on those features to mitigate potential risks.
7) What is the difference between a bug and a defect?
A bug is an error or flaw in the software that causes unexpected behavior or incorrect results. A defect, on the other hand, is a deviation from the software's requirements. In simple terms, a bug is an error in the code, whereas a defect is a deviation from the specifications.
8) What is a test plan?
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A test plan is a document that outlines the approach, objectives, and procedures for testing a specific software product or system. It includes details such as the scope of testing, the resources needed, the testing environment, and the risks involved. It serves as a roadmap for the testing process and ensures that all aspects of the system are covered.
9) What is usability testing?
Usability testing is a type of testing that focuses on evaluating the user friendliness and ease of use of a software or system. It involves gathering feedback from users and identifying any issues or challenges they face while using the system. The goal of usability testing is to improve the user experience and make the system more intuitive and user friendly.
10) How do you handle a bug that is not reproducible?
The first step is to gather as much information as possible, including screenshots, log files, and steps to reproduce the bug. Then, try to isolate the issue by replicating it on a different machine or environment. If the bug still cannot be reproduced, it should be assigned to the developer for further investigation. In the meantime, the tester can continue testing other areas of the system and keep track of any related issues that may arise.
11) How do you prioritize your testing tasks?
The tester should prioritize their testing tasks based on the level of risk and the impact of the feature or functionality on the overall system. Critical or high risk areas should be tested first, followed by lower risk areas. The tester can also consider the business requirements and priorities set by the project team.
12) What is a bug life cycle?
A bug life cycle refers to the different stages a bug goes through from being discovered to being resolved. It typically includes steps such as new, open, assigned, fixed, verified, and closed. The details and terminology may vary depending on the organization or project.
13) What is a test case?
A test case is a set of instructions or steps that are executed to test a specific functionality or feature of the system. It includes the input values and expected results, ensuring that the functionality works as intended and meets the defined requirements.
14) How do you handle a bug that is not within your scope of testing?
If a bug is found that is not in the tester's assigned area of testing, they should first confirm that it is a valid issue and provide as much information as possible to the development team. The bug can then be transferred to the appropriate tester or assigned to the developer directly for further investigation.
15) How do you measure the success of your testing?
The success of testing can be measured by the number of bugs found and resolved, the coverage percentage of the system tested, and the overall quality of the product. Testing metrics such as defect density, test case execution rate, and test coverage can also be used to evaluate the success of testing. Additionally, end user feedback and satisfaction can also be used as a measure of testing success.
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