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Quality Control & Assurance Flashcards

7 cards from real Software Testing practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.

Read the first 7 Quality Control & Assurance flashcards as text

  1. Which metric measures the percentage of defects found before software is released to production?

    Answer: Defect Removal Efficiency (DRE)

    Defect Removal Efficiency (DRE) measures the percentage of defects detected and removed before the product reaches the customer.

  2. In a cause-and-effect (Ishikawa) diagram, what are the main categories typically represented as 'bones'?

    Answer: Man, Machine, Method, Material, Measurement, Environment

    The Ishikawa fishbone diagram organizes potential causes under the 6M categories: Man, Machine, Method, Material, Measurement, and Environment.

  3. A software team adopts pair reviews where two developers inspect code together in real time. This practice is best described as:

    Answer: Over-the-shoulder review

    An over-the-shoulder review occurs when one developer watches another review or write code and provides real-time feedback.

  4. Which QA activity focuses on verifying that all identified defects have been corrected without introducing new issues?

    Answer: Confirmation testing

    Confirmation testing (also called re-testing) verifies that a specific defect has been fixed after a fix is applied.

  5. Which standard provides guidelines specifically for software process capability determination?

    Answer: ISO/IEC 15504 (SPICE)

    ISO/IEC 15504, known as SPICE (Software Process Improvement and Capability dEtermination), defines a framework for assessing software process capability.

  6. A QA engineer notices a test suite has 90% statement coverage but critical branch conditions remain untested. Which coverage type should be added?

    Answer: Decision/branch coverage

    Decision (branch) coverage ensures every branch outcome (true/false) of each decision point is exercised, catching issues missed by statement coverage alone.

  7. In Six Sigma, what does the term 'sigma level' represent?

    Answer: The standard deviations between the process mean and the nearest specification limit

    Sigma level measures how many standard deviations fit between the process mean and the specification limit, with higher sigma indicating fewer defects.