SDLC Interview Questions and Answers

Building software application prototypes that display the capabilities of the product under development, but may not have the exact logic of the original software, is referred to as software prototyping. It's built, tested, and revised until it's deemed suitable as a prototype. It also serves as a foundation for the final system or program. It's best used in situations where the project's requirements aren't fully understood. Software prototyping is gaining popularity as a software development strategy because it allows for an early understanding of customer requirements.

There are four types of Prototyping models:

• Rapid Throwaway prototypes.
• Evolutionary prototype.
• Incremental prototype.
• Extreme prototype.

The DDLC (Documentation Development Life Cycle) is a software documentation development life cycle used by technical documenters to prepare software documentation. The life cycle is followed in tandem with the SDLC, as testers and developers work on the program at the same time. Because the documentation requires input and feedback from the various phases of the SDLC, the DDLC has stages that are comparable to the SDLC.

Context Diagram is another name for DFD Level 0. It's a high-level overview of the entire system or process that's being studied or modeled. It's meant to be a quick peek into the system, displaying it as a single high-level process with its connections to external entities. Stakeholders, business analysts, data analysts, and developers should all be able to understand it readily.

The Capability Maturity Model (CMM) is a cross-discipline and technical paradigm for facilitating and refining software development processes and system improvement. This methodology is at the heart of most management systems that aim to improve the quality of all product and service development and delivery.