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SDLC DQ-2 What Component Of Term Paper

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DQ-2 What component of an SDLC is typically overlooked or not emphasized in a project

The final screening stage of the SDLC systems testing process is without a doubt the most overlooked aspect of the development sequence. Once a new system has been running for a while, the system should continue to be evaluated for potential problems. The system must be maintained, and checked for existing and potential problems such as unnecessary delays, vulnerability to crashing if overloaded, to newly released viruses or worms that render the system vulnerable to attacks, or simply to the potential for the system's unintentional misuse by the designated users. How can security be improved? How can the use of the system be simplified for the uninitiated? What new threats are posed to the system inside and outside not in existence when the system was first designed? All of these are important questions. Also, the users of the system should be kept up-to-date concerning the latest modifications and procedures designed to alleviate these problems. ("Define the systems development lifecycle," 2006, VB Definitions)

At the end of the development process, after the system's initial bugs have been worked out, it is only natural that the software development personnel wish to move onto new projects, rather than dwell upon a project that has already been completed. Often the final stage requires the staff to again deal again with laypersons, whose naive questions may seem frustrating to an experienced developer.

There also may be a tendency to see vulnerabilities as defects to the initial process, which causes resistance to this final stage. Designers must not take this personally, as the security and quality of any technology will vary as time wears on. Unexpected problems will invariably occur that could not be foreseen when the first tests were conducted. Finally, non-technical managers may resist the final evaluative stage because of cost of re-retesting, and a feeling that 'if it works well enough, don't fix it.' But fixing something before critical problems occur is actually the most cost-effective solution for management, and causes the least headaches for the proud designers of the system.

Works Cited

Define the systems development lifecycle." (2006) A definition from VB definitions, powered by Whatis.com. Retrieved 24 May 2006 at http://searchvb.techtarget.com/sDefinition/0,sid8_gci755068,00.html

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