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ISTQB brings an international standard for software testers. The international software testing qualification board is an international board who offers globally accepted certification to the learners in the software testing field. Foundation level qualification is aimed at professionals who need to demonstrate the practical knowledge of the fundamental testing concepts. The core principle of designing this article is to help those who are willing to upskill their testing concepts.
If you go through these ISTQB interview questions and answers fully you can crack any complex interviews.
Ans: The International software testing qualification board (ISTQB) is a standard software testing certification institution. It was first founded in Edinburgh in November 2002 and it's a non-profit test organization.
ISTQB is a Belgium testing organization run by many volunteer test experts around the world.
Ans: As the name indicates, exploratory testing is nothing but exploring the test case, finding the software, what this software does, whether this software doesn’t do, what this testing does, and what does not work. And it is also a hands-on approach in which testers are involved in minimum planning and maximum executions.
Steps involved in exploratory testing;
This exploratory testing is performed at the time of agile testing or as a final check before the release of the software. This is just a complementary activity during automated regression testing.
Ans: Test techniques are used to identify the defects and also reduce the number of test cases.
The following are the types of test techniques;
Ans: 1) Equivalence partitioning: It involves grouping of test conditions into various, which are handled the same way.
2) Boundary value analysis: it involves defining boundaries of the partitions and testing for them after.
3) Decision table testing/ graphical cause-effective technique: It involves defining and testing for a different combination of conditions.
4) The transition of table state testing: It involves the identification of all types of valid states and transitions which need to be tested.
5) All pair testing/orthogonal array testing: It involves the identification of various combinations of configuration that need to be tested.
6) Classification tree method: It involves the use of graphical notations to describe the test conditions and combination handled by the test cases.
7) Use case test techniques: It involves the identification of various usage scenarios and then testing accordingly.
Ans: There are two types of web testing available; 1) performance testing and 2) security testing.
Web testing validating your application accessible through the web. In web testing, one can test for different response codes and error messages depending on web applications.
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Ans: The following are the essential reasons;
Ans: There are four levels of testing recommended:
Ans: In Black box testing, internal architecture or implementation of the functionality is NOT known to the tester.
The block box testing techniques are;
Ans: The test plan is nothing but a contract between customers/ testers and users. The testers should know what will be tested.
There are four different test planning techniques available;
Ans: A document reporting on any flaw in a component or system that can cause the components or systems to fail to perform its required action is called bug/defect reporting.
There are 3 ways to create a defect/bug report;
Ans: The following are the different software testing techniques;
Ans: Software testing is a process used for software correctness, check the performance and quality of the software product being developed.
It is the process of executing a program/ application under positive and negative conditions by manual and automated means. It checks for the:
Ans: The main advantages of using ISTQB techniques;
Ans: The possible ways to test the login feature of web applications;
Ans: The customer writes acceptance tests to determine if the system is doing the right thing. Acceptance tests represent the customer's interests. The acceptance test gives the customer confidence that the application has the required features and that they behave correctly.
Ans: Accessibility testing tool that helps to find the accessibility defects. Debugger mode automated to find the accessibility defects on your website by using the axe chrome extensions.
Agile testing is a type of software testing technique that follows the agile software development application principles.
Ans: Agile testing these testing activities:
Ans: Adhoc testing is a random unscripted software testing method. It is like a "single-use" testing. It is sometimes mixed up as exploratory testing, negative, and monkey testing. However, the meaning of “ad-hoc " is applying test processes that are using hand.
Ans: An API is a set of functions provided by an operating system or other system software. An application program calls the functions to request the service. An API clearly defines how to call functions and what the results are.
Ans: Automate tests perform repeatable actions on your application and compare expected values with actual results. It uses the software to verify the implementation of tests, which in most cases helps to reduce the test time and simplify the process.
Ans: BETA testing is a type of test practice and this is performed by software application development real users in the real-time environment.
Ans: Bottom-up testing uses the incoming input as the for understanding the message. Comprehension is the process of decoding.
| Priority | Severity |
| Priority refers to the project and how urgent it is to solve the bugs | Severity refers to the bug and how it affects the user’s interaction with the applications. |
| Priority is set based on changing project factors e.g., the status of the bug, its importance customer side | Severity is objectively set based on the direct and indirect impact of the bug and its probability of occurrence |
| Priority is a dynamic field, should be revised and updated as the project progresses | Severity is usually a static field ( the only reason to modify it would be if we learn something new about the bug) |
Ans: The fault occurs when a fault is executed. This failure finds the inability of software components to perform many functions within the availability of the performance requirements.
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| Verification | Validation |
| Verification is to check whether the software conforms to specification | Validation is to check whether the software meets the customer requirements |
| This doesn’t include the code execution | This always includes the execution of the program code |
| This is nothing but the human-involvement type of checking the documents or files | It is a computer-based execution of the program |
Ans: Independent testing is nothing tests done by the person who writes it. Test by another person within that team or test done by the person from the independent test team.
Independent testing has some risk;
Ans: The following are the 7 principles of software testing;
Testing helps to find the errors that occur in the software development
Testing doesn’t allow the type of exhaustive testing
Reduce the errors, incompleteness
Ans: The following reasons explain why we need software testing;
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