What are legacy systems ?

What are legacy systems ?

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.

Choose the suitable options with respect to regression testing ?

Choose the suitable options with respect to regression testing ?

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.

What is a software patch ?

What is a software patch ?

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.