Free CTFL4 – ISTQB Certified Tester Foundation Level CTFL 4.0 Exam Practice Test Question

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• ○ Imperfection causing possible failure
• ○ Test case that failed
• ○ Risk identified in planning
• ○ Requirement requested by user

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• ○ Guarantees defect free software
• ○ Reduces risk of failures
• ○ Replaces all quality assurance
• ○ Removes need for reviews

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• ○ Testing shows errors present
• ○ Defects cluster in modules
• ○ Error free may still unfit
• ○ Early testing saves money

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• ○ Defects spread perfectly evenly
• ○ Testing can prove correctness
• ○ Same tests keep working
• ○ Few modules hold most defects

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• ○ Cost of fixing defects
• ○ Need for test planning
• ○ Effort of writing requirements
• ○ Time spent on reviews

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• ○ Tests always find defects
• ○ Repeated tests stop finding defects
• ○ Defects reproduce in production
• ○ Testing exhausts all combinations

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• ○ Early testing saves time
• ○ Defects cluster in modules
• ○ Exhaustive testing is possible
• ○ Testing proves correctness fully

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• ○ Software coding of features
• ○ Test analysis of basis
• ○ Production incident handling only
• ○ Test implementation and execution

Answer is in the explanation below.

Answer is in the explanation below.

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• ○ Retirement testing of archives
• ○ Procurement testing of vendors
• ○ Component testing of units
• ○ System testing of whole

Answer is in the explanation below.