A design choice guided by a best practice does not need to be justified.
Answer(s): B
You should always be sure to include your justifications and selection criteria in your logical design documents. These justifications are useful when you explain your approach during design and milestone meetings, and they ensure that you are aware of the impact of the technical approach and the components of the platform or solution you are building.
The difference between the beginning of a project and the vision is also known as the .
By reviewing the current configuration of a system and mapping the final status of components as described in the vision, the business identifies the gap between the two. A gap state analysis is a review of the items or tasks that are required to progress between the stages. Such an analysis is useful in creating milestone plans, implementation orders, and so on.
The analysis of the difference between the beginning of a project and the vision is also known as the current state analysis.
An upstream relationship is a logical object or component that has dependency on other items in a solution.
Answer(s): A
In an upstream relationship, a logical object or component has a dependency on other items in the solution. For example, a service running on an application server requires an Active Directory user account to be authenticated. The application service must be started after the Active Directory service. Therefore, the application server has an upstream relationship with the Active Directory service. In an downstream relationship, a logical object or component does not have a dependency on other items in the solution. For example, say that a multisite web server crashes. The web tier hosting multiple websites will crash; however, the downstream objects such as the database server will continue to function. Backend processes that are dependent on the downstream objects from the web servers can continue to function.
An downstream relationship is a logical object or component that has a dependency on other items in a solution.
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