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The CISA® Prep Guide: Mastering the Certified Information Systems Auditor Exam by John Kramer

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6.3. Feasibility Analysis

Once the requirements and need for the project have been initially agreed upon by executive management in support of the project and are defined, including a scope to a sufficient level inclusive of all tangential interface points and process steps, determining the feasibility of the planned development will be the next step. Feasibility is an analytical process that should be documented clearly and sufficiently to show probable success of the planned development effort. This statement does not mean backing into a success formula, however, and you should be on the lookout for mock analyses of this type. Those departments and interfaced processes that have a stake in the success of the development should all have well-documented input to the decision-making process, allowing room for concerns to be voiced, debated, and compromises determined where necessary to ensure that the development will result in an end product that everyone has at least had a say in and at best agrees completely on the approach. The feasibility analysis will dive deeper into the interface requirements and the effects on existing processes and workflows. The objective of the feasibility analysis is either a "go" or "no-go" decision and a firm design and development plan from which the system specifications will be built.

As the feasibility of the proposed application is studied and eventually agreed upon, any significant boundary movement or scope and objective changes in the project ...

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