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Top Qa Testing interview questions and answers for freshers and experienced
What is Qa Testing ?
Questions : 1 :: What is difference between QA, QC and Software Testing?
Quality Assurance (QA): QA refers to the planned and systematic way of monitoring the quality of process which is followed to produce a quality product. QA tracks the outcomes and adjusts the process...View answers
Questions : 2 :: When to start QA in a project?
A good time to start the QA is from the beginning of the project startup. This will lead to plan the process which will make sure that product coming out meets the customer quality expectation. QA...View answers
Questions : 3 :: What are verification and validation and difference between these two?
Verification: process of evaluating steps which is followed up to development phase to determine whether they meet the specified requirements for that stage. Validation: process of evaluating...View answers
Questions : 4 :: What is difference between Smoke testing and Sanity Testing?
The difference between smoke and sanity testing is described below:
Sanity testing is performed when new build is released after fixing bugs where as smoke testing is performed to check the major...View answers
Questions : 5 :: What is destructive testing, and what are its benefits?
Destructive testing includes methods where material is broken down to evaluate the mechanical properties, such as strength, toughness and hardness.
For example, finding the quality of a weld is good...View answers
Questions : 6 :: What is Testware?
The testware is:
The subset of software which helps in performing the testing of application.
Testware are required to plan, design, and execute tests. It contains documents, scripts, inputs,...View answers
Questions : 7 :: What is difference between Retesting and Regression testing?
The difference between Retesting and Regression testing are below:
Retesting is done to verify defects fixes where as regression is perform to check if the defect fix have not impacted other...View answers
Questions : 8 :: Explain bug life cycle.
Bug Life Cycle:
When a tester finds a bug .The bug is assigned with NEW or OPEN status.
The bug is assigned to development project manager who will analyze the bug .He will check whether it is a...View answers
Questions : 9 :: What is severity and priority of bug? Give some example.
Priority: concern with application from the business point of view. It answers: How quickly we need to fix the bug? Or How soon the bug should get fixed? Severity: concern with functionality of...View answers
Questions : 10 :: What are the common problems with software automation?
Software problem are listed below:
1. Purchasing the license of tool (QTP, selenium, QC, LR) 2. Lack of skilled Tester to run the tool 3. Expectation that automated tests will find a lot of new...View answers
Questions : 11 :: What is the role of QA in a project development?
QA stands for QUALITY ASSURANCE. QA team assures the quality by monitor the whole development process. QA tracks the outcomes and adjusting process to meet the expectation.
The role of Quality...View answers
Questions : 12 :: What is the difference between build and release?
BUILD: is a number given to installable software that is given to testing team for testing by the development team. Build number assigned are incremental and sequential.
RELEASE: is a number given...View answers
Questions : 13 :: What are the key challenges of software testing?
Following are some challenges of software testing
1. Application should be stable enough to be tested. 2. Testing always under time constraint 3. Understanding requirements, Domain knowledge and...View answers
Questions : 14 :: Why you choose automated testing over manual testing?
The reasons for choosing automation testing over manual testing are following:
1. Frequency of use of test case 2. Time Comparison (automated script run much faster than manual execution.) 3....View answers
Questions : 15 :: What is the basis for choosing the SDLC model for development of software?
The choice of SDLC depends on the various factors, how stable are the requirements:
When the requirements are very clearly know, documented and not subject to change then we can follow the...View answers
Questions : 16 :: Explain bug leakage and bug release.
Bug Leakage: When customer or end user discovered a bug which can be detected by the testing team. Or when a bug is detected which can be detected in pervious build then this is called as Bug...View answers
Questions : 17 :: What is regression testing?
Regression Testing: When changes in the code of the software are made to fix the previous bug. Then testing needs to be perform to ensure that it will not generate a new bug in the application and it...View answers
Questions : 18 :: What is data driven testing?
Data Driven is an automation testing part in which test input or output values, these values are read from data files. It is performed when the values are changing by the time. The different data...View answers
Questions : 19 :: What is alpha and beta testing?
Alpha testing: is performed by the IN-House developers. After alpha testing the software is handed over to software QA team, for additional testing in an environment that is similar to the client...View answers
Questions : 20 :: What is 'Software Quality Assurance'?
-SQA is monitoring and improving the process of software development.-It ensures the standards and procedures which are agreed-upon, are met.-Identifies the problems / bugs and ensures to resolve...View answers
Questions : 21 :: What are test driver and test stub and why we need them?
The Stub is called from the software component to be tested. It is used in top down approach.
The driver calls a component to be tested. It is used in bottom up approach.
Both test stub and test...View answers
Questions : 22 :: What is Traceability Matrix?
Traceability Matrix is a method used to validate the compliance of product with requirements for that product. The requirement is written in a row of the matrix and the columns of the matrix. Now...View answers
Questions : 23 :: Explain paradigms for interfacing module.
The paradigms for interfacing modules:
Procedure Call Interface: A procedure from one module calls to procedure of another module. The caller can pass data to the called procedure while calling...View answers
Questions : 24 :: What are the factors responsible for the estimation of system integration test cycle and total integration time?
The number of system integration test cycle and total integration time are determined by the following parameters:
Number of modules in the system.
Relative complexity of the modules.
Questions : 25 :: You are a tester. Now How will you choose which defect to remove in 1000000 defects?
First thing testers are not responsible for fixing the bug they are only responsible for debugging the bug and prioritizing those bugs. These bugs are now reported in bug report template with the...View answers
Questions : 26 :: How do you perform integration testing?
Integration testing is black box testing. Integration testing focuses on the interfaces between units, to make sure the units work together. For integration testing we ensure that all units testing...View answers
Questions : 27 :: What is the testing lifecycle?
There is no standard testing life cycle, but it is consist of following phases:
Test Planning (Test Strategy, Test Plan, Test Bed Creation)
Test Development (Test Procedures, Test Scenarios, Test...View answers
Questions : 28 :: What are the main attributes of test automation?
The main attributes are discussed below:
Maintainability: For each new release need to update the test automation suites. Reliability: Accuracy and repeatability of the test automation. Flexibility:...View answers
Questions : 29 :: What could go wrong with test automation?
Followings things may be go wrong in test automation:
Ignoring automation, while planning the development phases.
In design Phase not choosing the right technology.
In coding Phase not...View answers
Questions : 30 :: What tools are available to support testing during development of application?
Following tools can be used to support testing during development of application:
Test management tools example: Quality Center, JIRA.
Defect management tool example: Bugzilla, Test...View answers
Questions : 31 :: What are the tests activities that you want to automate in a project?
The following testing activities can be automated:
Functional tests: Identify some P1 and P2 cases which are most critical for project success and operations and automate them. After every new...View answers
Questions : 32 :: What is the difference in responsibilities of Programmers and QA analyst?
The differences in responsibilities are listed below:
QA is concern for Process Quality and Programmers are concern for Product Quality.
QA ensure that the processes used for developing the...View answers