A. new systems
B. old systems
C. under-developed systems
D. none of the mentioned
Explanation: Legacy systems are the existing systems which may require some modification or maintenance.
A. Waterfall model
B. Reuse-oriented model
C. Iterative enhancement model
D. Quick fix model
Explanation: Waterfall model is a software development model.
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. Required or Critical Fix
B. Emergency Fix
C. Daily or routine Fix
D. None of the mentioned
Explanation: A software patch is an emergency fix which is worked upon the obsolete version whenever a vulnerability is encountered.
A. Actual change track
B. Annual change track
C. Annual change traffic
D. Actual change traffic
A. Software engineering
B. Software re-engineering
C. Reverse engineering
D. Re-engineering
Explanation: Reverse engineering is the process followed in order to find difficult, unknown and hidden information about a software system..
A. Efficiency
B. Precision
C. Generality
D. Inclusiveness
A. two
B. three
C. four
D. five
Explanation: The three categories include: Coverage, Minimization and Safe techniques.
A. Corrective
B. Adaptive
C. Perfective
D. Preventive
A. Error corrections
B. Enhancements of capabilities
C. Deletion of obsolete capabilities
D. All of the mentioned