Discuss ISTQB ISTQB-CTFL Exam Topic 1 Question 1

In maintenance testing, what is the relationship between impact analysis and regression testing?

AImpact analysis requires a regression testing for only the tests that have detected faults in previous SW release

BThere is no relationship between impact analysis and regression testing.

CImpact analysis requires a regression testing for all program elements which were newly integrated (new functionalities).

DThe impact analysis is used to evaluate the amount of regression testing to be performed.

Suggested Answer: D

In maintenance testing, the relationship between impact analysis and regression testing is that the impact analysis is used to evaluate the amount of regression testing to be performed. Maintenance testing is a type of testing that is performed on an existing software product after it has been delivered or deployed, in order to ensure that it still meets its requirements and functions correctly after a change or a modification. Maintenance testing can be triggered by various reasons, such as corrective maintenance (fixing defects), adaptive maintenance (adapting to new environments), perfective maintenance (improving performance), preventive maintenance (avoiding future problems), etc. Impact analysis is a technique that is used to assess the extent and nature of changes introduced by maintenance activities on the software product or project. Impact analysis helps to identify which parts of the software product are affected by the changes, which parts need to be modified or updated accordingly, which parts need to be retested or verified for correctness or compatibility, etc. Regression testing is a type of testing that verifies that previously tested software still performs correctly after a change or a modification. Regression testing helps to detect any side effects or unintended consequences of maintenance activities on the software product's functionality or quality. Regression testing can be performed at various levels and scopes depending on the impact analysis results. Therefore, in maintenance testing, impact analysis is used to evaluate the amount of regression testing to be performed. Verified Reference:A Study Guide to the ISTQB Foundation Level 2018 Syllabus - Springer, page 20.

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11 comments · newest first

Tiera 11 months ago

So, does that mean we test everything every time?

Meaghan 11 months ago

No way, impact analysis is key for effective regression!

Johna 11 months ago

Wait, I thought regression testing was just for bugs?

Dyan 11 months ago

Totally agree, it's all about prioritizing tests!

Hubert 12 months ago

Impact analysis helps decide what needs regression testing.

Matthew 12 months ago

I recall that regression testing should cover areas affected by changes, so option D sounds familiar. It makes sense that impact analysis would guide that process.

Avery 12 months ago

I feel like impact analysis is more about assessing risks, while regression testing is about ensuring existing features still work. Could it be option B?

Dorinda 1 year ago

I think I saw a similar question about how impact analysis informs regression testing strategies. Maybe option D is correct?

Rosendo 1 year ago

I remember that impact analysis helps identify what needs to be tested after changes, but I'm not sure how it directly relates to regression testing.

Nieves 1 year ago

This is a tricky one. I'm leaning towards C, $360,000, since the question asks for the total infrequent net gains, and that would include both the $190,000 and $260,000 gains, minus the $90,000 loss. But I'm not 100% certain, so I'll need to double-check my work.

Caprice 1 year ago

Oof, I'm a bit confused on this one. I know there are different ways to scrape data, but I'm not sure which one is best for hidden text. Gotta think this through.

ISTQB-CTFL Exam - Topic 1 Question 1 Discussion