What testing principle states that repeating the exact same test cases over and over will eventually cease finding new defects?
Option C is correct. The Pesticide Paradox states that if the same set of tests is repeated continuously, software builds immunity and no new defects will be uncovered.
In static code analysis, which metric counts the total number of physical source code lines excluding blank lines and comments?
Option A is correct. SLOC (Source Lines of Code) measures software size by counting physical executable statements while omitting comments and whitespace.
Which ISO standard defines software quality characteristics into 6 main attributes: Functionality, Reliability, Usability, Efficiency, Maintainability, and Portability?
Option A is correct. ISO/IEC 9126 is the international standard categorizing software quality attributes into six primary quality characteristics.
In software estimation, Fred Brooks' famous law states that adding manpower to a late software project has what effect?
Option B is correct. Brooks' Law states: 'Adding manpower to a late software project makes it later' due to training time and exponential growth of communication channels.
In software quality, what is the term for defects found in a product AFTER it has been delivered to end-users?
Option B is correct. External Failure Costs occur when defects are discovered by customers after deployment (e.g., warranty claims, support calls, reputational loss).