ISC2 Exam ISSEP Topic 3 Question 25 Discussion

System software defines the database management system, operating system, and software

applications, and how they will be used. Answer option D is incorrect. System hardware defines the

target hardware and its function. Answer option A is incorrect. System firmware defines the

firmware stored permanently in a hardware device that allows reading and execution of software,

but not writing or transforming it. Answer option B is incorrect. System interface defines the

system's external interfaces as well as the purpose of each external interface, and the relationship

between the interface and the system.