Exam (elaborations)
ISTQB 1.2 - Why is Testing Necessary Questions and Answers 2024
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ISTQB 1.2 - Why is Testing Necessary
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ISTQB 1.2 - Why is Testing NecessaryWhy is testing necessary? - answer Testing components and systems and their
associated documentation can help reduce the risk of failures occurring during
operation.
Fixed defects increase the quality of the product.
To meet requirements or standards.
FL-1.2.1 (K2) Give examples of why testing is necessary. (O) - answer Having testers
involved in
- *requirements reviews or user story refinement* could *detect defects* in these work
products
would be necessary because
the *identification and removal of requirements defects reduces the risk of incorrect or
untestable functionality being developed*.
Having testers work closely with
- *system designers* while the system is being designed can *increase* each party's
*understanding* of the design and how to test it.
This increased understanding can *reduce the risk* of fundamental *design defects and
enable tests to be identified at an early stage*.
Having testers work closely with
- *developers* while the *code* is under *development* can increase each party's
*understanding* of the code and how to test it. This increased understanding can
*reduce the risk of defects* within the code and the tests.
Having testers *verify and validate*
- the software *prior to release* can *detect failures* that might otherwise have been
missed, and *support* the process of removing the defects that caused the failures (i.e.,
*debugging*). This increases the likelihood that the software *meets stakeholder needs
and satisfies requirements*.
(ie make sure the customer is getting what they want.)
Test Technique - answerSynonyms: test case design technique , test specification
technique , test technique , test design technique
A procedure used to derive and/or select test cases.
Test Techniques Application - answer- With the appropriate level of test expertise
- In the appropriate level of test expertise
- At the appropriate points in the software.
, Quality Management - answerCoordinated *activities to direct and control* an
organization with *regard to quality*. Direction and control with regard to quality
generally includes the establishment of the
- quality policy and quality objectives,
- quality planning,
- quality control,
- quality assurance and
- quality improvement.
(- Ties QA and testing together.
- Is all quality related activities.)
Quality Assurance (QA) (K) - answerPart of quality management focused on providing
*confidence that quality requirements will be fulfilled*.
- Focuses on the process to ensure that the everything is done correctly and the
appropriate levels of quality will be achieved.
- Higher quality = less defects.
- Supports proper testing.
Quality Control (QC) - answerThe operational techniques and activities, part of quality
management, that are focused on fulfilling quality requirements.
(Various activities, including test activities,
that support the achievement of appropriate levels of quality.)
FL-1.2.2 (K2) Describe the relationship between testing and quality assurance and give
examples of how testing contributes to higher quality. - answerQuality assurance is
typically focused on *adherence to proper processes*, in order to provide confidence
that the appropriate levels of quality will be achieved.
When *processes are carried out properly*, the work products created by those
processes are generally of *higher quality*, which contributes to defect prevention. In
addition, the use of root cause analysis to detect and remove the causes of defects,
along with the proper application of the findings of retrospective meetings to improve
processes, are important for effective quality assurance.
Quality control involves various activities, including test activities, that support the
achievement of appropriate levels of quality. Test activities are part of the overall
software development or maintenance process. Since quality assurance is concerned
with the proper execution of the entire process, quality assurance supports proper
testing.
For examples see FL-1.2.1
Maintenance testing - answerTesting
- the changes to an operational system or
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