SSCP Exam: System Development Life Cycle Phases

System Development Life Cycle Phases

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Question

A security evaluation report and an accreditation statement are produced in which of the following phases of the system development life cycle?

Answers

Explanations

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A. B. C. D.

The Answer: "acceptance phase"

Note the question asks about an "evaluation report" - which details how the system evaluated, and an "accreditation statement"

which describes the level the system is allowed to operate at.

Because those two activities are a part of testing and testing is a part of the acceptance phase, the only answer above that can be correct is "acceptance phase"

The other answers are not correct because: The "project initiation and planning phase" is just the idea phase.

Nothing has been developed yet to be evaluated, tested, accredited, etc.

The "system design specification phase" is essentially where the initiation and planning phase is fleshed out.

For example, in the initiation and planning phase, we might decide we want the system to have authentication.

In the design specification phase, we decide that that authentication will be accomplished via username/ password.

But there is still nothing actually developed at this point to evaluate or accredit.

The "development & documentation phase" is where the system is created and documented.

Part of the documentation includes specific evaluation and accreditation criteria.

That is the criteria that will be used to evaluate and accredit the system during the "acceptance phase"

In other words - you cannot evaluate or accredit a system that has not been created yet.

Of the four answers listed, only the acceptance phase is dealing with an existing system.

The others deal with planning and creating the system, but the actual system isn't there yet.

The security evaluation report and accreditation statement are produced during the acceptance phase of the system development life cycle.

The system development life cycle is a framework that describes the stages involved in the development, deployment, and maintenance of a system. It typically includes the following stages: project initiation and planning, system design specification, development and documentation, testing and integration, deployment, operation and maintenance, and disposal.

During the acceptance phase, the system is evaluated and tested to ensure that it meets the requirements specified in the design specification. This includes verifying that the system functions as intended, is secure, and meets the performance and quality standards set out in the requirements.

The security evaluation report is a document that describes the results of the security testing and evaluation of the system. It typically includes information on the security controls in place, the vulnerabilities identified, and recommendations for addressing those vulnerabilities.

The accreditation statement is a formal declaration by the accrediting authority that the system meets the security requirements and can be operated in a secure manner. It is typically based on the security evaluation report and other supporting documentation.

Therefore, the security evaluation report and accreditation statement are produced during the acceptance phase because they are based on the results of the security testing and evaluation of the system, which takes place during this phase. The acceptance phase is the final stage before the system is deployed and put into operation, so it is critical to ensure that the system is secure and meets the necessary security requirements before it is released into the production environment.