A. two
B. three
C. four
D. five
Explanation: The levels are A, B, C, D, E.
A. True
B. False
Explanation: As regression testing is performed many times over the life of the software product, it becomes a costly affair.
A. Complex System
B. Technical computer-based system
C. Sociotechnical System
D. Both Complex and Sociotechnical System
Explanation: Complex systems are usually hierarchical and so include other systems.
A. It helps in development of software
B. It helps in maintenance of software
C. It helps in development & maintenance of software
D. none of the mentioned
Explanation: Regression testing preserves the quality and reliability of software and ensures the software’s continued operation.
A. CTRADO-172B
B. RTCADO-178B
C. RTRADO-178B
D. CTCADO-178B
Explanation: RTCADO-178B is a popular aviation standard that has become a defacto standard.
A. CMM
B. ISO 9001
C. ISO 9000-3
D. None of the mentioned
Explanation: ISO 9000-3 states that the supplier should carry out reviews to ensure the requirements are met and design methods are correctly carried out.
A. Increase availability of testing services through third-party laboratories
B. Increase availability of testing market to encourage development of software testing industry
C. Reduce cost by increasing supply of testing services
D. All of the mentioned