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Iterative Model does not allow ambiguousness. Requirements of the users must be clearly defined. This model is usually applied on large software as it breaks it down into smaller partsfor analysing better. This model happen to be at early stage of Software Development Cycle. This mode of Software Testing helps project developers and testers to find potential errors and defects of the design or technical content.

Discussing the advantages of Iterative Model in Software Testing: Iterative model is an integral process which helps to deliver products or services at the best possible quality. The iterative model helps to reduce the development cycles, which leads to reduced cost and improved time-to-market. Iterative Development is a model that's flexible and can be constantly improved as new functionality can be added to it at any time of the development cycle. Now comes the disadvantages: It can be resource-intensive because iterative requires high qualifications specialists to check the risks in our system. The whole process is difficult to manage. Moreover, It's not recommended for small projects.

To ensure development modules are checked for quality, each stage is done repeatedly until the product is deemed satisfactory. Each iteration of this pre-production process ensures that the product will be functional and meets requirements throughout. The iterative model working is a process that is used to consistently design, develop, and test software. It is used in software projects where the development team works in iteration on successive versions of the same system by adding new functional capabilities on each iteration. The iterative model of Software Testing is a software development methodology for rapid prototyping and building software products.

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