Question

In Security Tools, __________ is the first SDLC model, replaced in many organizations but still used for very complex systems.

Answer 1

The Waterfall Model is the first SDLC model in Security Tools, replaced in many firms but still used for complex systems due to its linear approach and suitability for projects with unchanging requirements.

Step-by-step explanation:

In Security Tools, the Waterfall Model is recognized as the first SDLC (Software Development Life Cycle) model, which has been replaced in many organizations but is still used for very complex systems. The Waterfall Model is a linear and sequential approach where each phase must be completed before the next phase can begin, and there is no overlapping in the phases. This method is best suited for projects with clearly defined requirements and where a change in requirements is not expected.