In which of the following SDLC phases is the system’s security features configured and enabled,
the system is tested and installed or fielded, and the system is authorized for processing?

A.
Development/Acquisition Phase

B.
Operation/Maintenance Phase

C.
Implementation Phase

D.
Initiation Phase

Explanation:
It is the implementation phase, in which the system’s security features are
configured and enabled, the system is tested and installed or fielded, and the system is authorized
for processing. A design review and systems test should be performed prior to placing the system
Operation/Maintenance Phase, the system performs its work. The system is almost always being
continuously modified by the addition of hardware and software and by numerous other events.
system is designed, purchased, programmed, developed, or otherwise constructed.