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CISSP in 21 Days - Second Edition by M. L. Srinivasan

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Software development life cycle

Software development is a part of the systems development life cycle. Within the development phase, there are many stages and processes. The activity or cycle starts from a specification development based on which the overall system is designed and implemented.

The software programs are written based on the system design, the system is documented and the operating procedures are written too.

During the entire process of the software development life cycle, other activities are involved to ensure the functionality of the developed application. Verification and validation are the two important activities during development and implementation.

Verification is used to establish the adherence to software specifications, ...

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