Which of the following statements regarding iterative and incremental design are correct? Please name the three statements that fit the best. (Choose three.)

• A.Iterations help to deal with uncertainties.
• B.The iterative approach helps to detect design problems at an earlier stage.
• C.If the incremental approach is used, risks are detected at a later stage.
• D.Iterative design leads to project delays.
• E.If iterative design is used; the customer will be less involved.
• F.If incremental design is used; key functionality is considered as early as possible.

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You are the software architect of a system that has run for many years and been extended repeatedly. An analysis of the source code has revealed a multitude of dependencies between the classes.
Which of the following measures are possible solutions? (Assign all answers.)

Correct Answer:

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Select the two most appropriate methods for evaluating the reliability of a software system. P-Question. From the following 5 answers select 2 that fit best.

• A.Determining the number of 'lines of code'
• B.Conducting an AT AM evaluation
• C.Execution of performance tests
• D.Determination of the cyclomatic complexity
• E.Measurement of 'Mean-Time-between-Failure'

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Which of the following aspects are more of a domain-related nature, and which more of technical nature?
(Assign all answers.)

Correct Answer:

Explanation:
The aspects that are more of a domain-related nature and those that are more of a technical nature are as follows:
* More technical:
* Choosing a database (A)
* Choosing a layout manager in a GUI (D)
* The average number of methods per class (E)
* More domain-related:
* Modelling a banking account (B)
* Legal constraints for the execution of a money transfer
* Specification of a calculation formula (F)
In software architecture, aspects can be categorized based on their relevance to the domain (the problem space) or the technology (the solution space). Here's an explanation of each:
* More Technical:
* Choosing a database (A): This is a technical decision based on factors like data volume, concurrency, performance, and technology stack.
* Choosing a layout manager in a GUI (D): This involves technical considerations about how user interface elements are arranged and managed on the screen.
* The average number of methods per class (E): This is a technical metric used in object-oriented design to assess complexity and maintainability.
* More Domain-Related:
* Modelling a banking account (B): This involves understanding the business rules and operations of banking accounts, which is domain-specific knowledge.
* Legal constraints for the execution of a money transfer : These are domain-related as they pertain to the legal and regulatory requirements of financial transactions.
* Specification of a calculation formula (F): This is typically domain-related because it involves the business logic and rules for performing calculations within the domain.
These distinctions are important for architects to consider when making design decisions, ensuring that both technical and domain-related aspects are adequately addressed.
References:
* Rozanski, N., & Woods, E. (2011). Software Systems Architecture: Working With Stakeholders Using Viewpoints and Perspectives. Addison-Wesley Professional.
* Fowler, M. (2002). Patterns of Enterprise Application Architecture. Addison-Wesley.

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You are supposed to choose a software-architecture modeling tool for a software-development project. You create a suitable criteria catalogue for the choice of appropriate tools.
Which of the following factors can play a role in this? (Assign all answers.)

Correct Answer:

Explanation:
A) TrueB) TrueC) TrueD) TrueE) TrueF) TrueG) True
When choosing a software-architecture modeling tool, several factors can play a role:
A) Multi-user capability is important for collaborative environments where multiple architects work on the same model simultaneously1.
B) Support of UML 2.x and SysML ensures that the tool can handle widely-used modeling languages for software and systems engineering1.
C) Document generation is a key feature that allows for the automatic creation of documentation from the model1.
D) Support of model transformations in preparation of the code generation indicates the tool's ability to convert models into other forms or even into executable code1.
E) Support of code generation can significantly speed up the development process by generating code from the models1.
F) Compliance with standards ensures that the tool adheres to industry standards, which can be crucial for interoperability and future-proofing1.
G) Purchase and licensing costs are practical considerations that affect the total cost of ownership of the tool1.
These criteria are aligned with the iSAQB SOFTWARE ARCHITECTURE - FOUNDATION LEVEL documents, which emphasize the importance of these factors in the selection of a software-architecture modeling tool1.

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