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NEW QUESTION # 14
You are the software architecture of a system that has run for many year and been extend repeatedly. An analysis of the source code has revealed a multitude of dependencies between the classes.
Which of the following measures are possible solution?
K-Question. Assign all answer
Answer:
Explanation:
Explanation
TRUE = B
FALSE A C
NEW QUESTION # 15
Which characteristics of a building block are only visible in the whitebox view, and for which characteristics does the blackbox view suffice? (Assign all answers.)
Answer:
Explanation:
Explanation:
For a building block, the characteristics visible only in the whitebox view are:
* Code structure of the building block (D)
* Algorithms used in the building block (E)
* Implementation details for the security requirements of the building blocks (G) The blackbox view suffices for:
* Public interfaces of the building block (A)
* Test coverage based on unit tests for sub building blocks contained in the building block (B)
* Test coverage based on integration tests
* Security requirements of the building blocks (F)
In software architecture, the whitebox view reveals the internal workings of a building block, including its code structure, algorithms, and specific implementation details1. This view is essential when the internal structure and behavior of the component need to be understood or modified.
On the other hand, the blackbox view treats the building block as an opaque entity, focusing on its exposed interfaces and observable behaviors without revealing its internal structure2. This view is sufficient for understanding what the building block does from an external perspective, such as its public interfaces and how well it performs its functions as determined by testing.
Here's a breakdown of the characteristics:
* Whitebox View:
* Code Structure (D): This includes the organization of code within the building block, such as classes, interfaces, and other components.
* Algorithms (E): The specific algorithms used within the building block to perform its functions.
* Implementation Details for Security (G): The actual code and strategies used to fulfill the security requirements.
* Blackbox View:
* Public Interfaces (A): The interfaces that are exposed to other building blocks or systems.
* Test Coverage for Sub Building Blocks (B): The extent to which the unit tests cover the sub-components within the building block.
* Test Coverage for Integration Tests : The coverage of tests that verify the interactions between building blocks.
* Security Requirements (F): The security objectives and criteria that the building block must meet.
References:
* arc42 Documentation on Building Block View1.
* Stack Overflow discussion on the difference between black box and white box in component diagrams2.
* Flylib Section on Black-Box and White-Box Component Views3.
NEW QUESTION # 16
Which of the following techniques are best suited to illustrate the interaction of runtime building blocks? Select the four most suitable techniques.
- A. Depiction of screen flows (sequence of user interactions)
- B. Activity diagrams
- C. State diagram
- D. Numbered lists of sequential steps
- E. Tabular description of interfaces
- F. Flowcharts
- G. Class diagrams
- H. Sequence diagrams
Answer: B,C,G,H
NEW QUESTION # 17
In your project, three architects and seven developers are working on the documentation of the software architecture.
Which methods are appropriate in order to achieve a consistent and adequate documentation, and which are not? (Assign all answers.)
Answer:
Explanation:
NEW QUESTION # 18
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.)
Answer:
Explanation:
NEW QUESTION # 19
Which four of the following items can be building blocks of a software architecture? (Choose four.)
- A. a class
- B. a test harness
- C. a component
- D. a local variable
- E. an algorithm
- F. a method/procedure/function/operation
- G. a processor
- H. a package
Answer: A,C,E,H
Explanation:
In the context of software architecture, certain elements serve as building blocks to structure and organize software systems effectively.
* A: An algorithm is a sequence of steps designed to perform a specific task and can be a critical part of system logic and functionality.
* B: A component is a modular part of a system that encapsulates its contents and whose deployment and versioning can be managed independently.
* D: A class in object-oriented programming encapsulates data for the object and operations that manipulate that data, serving as a blueprint within the architecture.
* H: A package helps organize classes and interfaces that are related functionally, promoting a cleaner and more manageable architecture structure.
NEW QUESTION # 20
Concerning external interfaces, Postel's law suggests: "Be conservative in what you do, be liberal in what you accept from others." Assume that Postel's law has been consistently applied in your system. (Assign all answers.)
Answer:
Explanation:
NEW QUESTION # 21
Conway's law sometimes is referred to as "If you have four teams working on the compiler, you'll get a 4-pass compiler." Which interpretations of this law are true, which are false? (Assign all answers.)
Answer:
Explanation:
Explanation:
The interpretations of Conway's law that are true and false are as follows:
* True:
* Structures of software architecture and associated organization are congruent (B).
* Software architecture is particularly important when creating compilers .
* False:
* You need four teams to build a compiler (A).
* Certain types of software are not suitable for the use of software architecture (D).
Conway's law suggests that the structure of systems designed by an organization will mimic the communication structures of that organization1. This means that the way teams are organized and communicate will influence the design of the software they are developing. Here's an explanation of each interpretation:
* True Statements:
* (B): The law implies that the technical structure of a system will reflect the social boundaries of the organization that produced it, which means the architecture of the software and the
* organization will be congruent1.
* : When creating complex systems like compilers, the architecture is influenced by organizational structures, making it crucial to consider how teams are organized and how they communicate1.
* False Statements:
* (A): The number of teams does not dictate the necessity of a multi-pass compiler; it's a metaphorical example to illustrate that organizational structure can influence technical design1.
* (D): All types of software can benefit from thoughtful software architecture; the statement is a misinterpretation of Conway's law, which does not deem any software unsuitable for architectural practices1.
Conway's law is a valuable consideration in software engineering, reminding us that organizational decisions can have a significant impact on the design and functionality of the software.
References:
* Wikipedia article on Conway's law1.
* ThinkingLabs article on Shades of Conway's Law2.
* Dovetail article on What Is Conway's Law
NEW QUESTION # 22
What is the main benefit of the layered architectural pattern? (Assign all answers.)
Answer:
Explanation:
NEW QUESTION # 23
Which elements should be defined in the white-box view of a software building block 'foo'? Select the three most important elements. P-Question: From the following 6 answers select 3 that Fit best.
- A. The internal building blocks of foo'
- B. The sizes (in lines of code) of the internal building blocks of foo'
- C. The algorithms of the internal building blocks of foo'
- D. The legal contracts with the suppliers of the internal building blocks of 'foo'
- E. The rationale for the decomposition of the building block
- F. The dependencies of the internal building blocks of foo'
Answer: A,E,F
NEW QUESTION # 24
In your project, three architect and seven developers are working on the document of the software architecture.
Which methods are appropriate in order to achieve a consisten and documentation, and which are not?
K-Question. Assign all answers.
Answer:
Explanation:
Explanation
Appropriate = AB
Not appropriate = C
NEW QUESTION # 25
How are written documentation and verbal communication of software architectures related? Please mark the following statements as true or false.
K-Question. Assign all answers
Answer:
Explanation:
NEW QUESTION # 26
Conway's law sometimes is referred to as "If you have four teams working on the compiler, you'll get a 4-pass compiler." Which interpretations of this law are true, which are false? (Assign all answers.)
Answer:
Explanation:
NEW QUESTION # 27
Which of the following statements regarding the design principle 'information hiding' are true and which are false? (Assign all answers.)
Answer:
Explanation:
NEW QUESTION # 28
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.)
Answer:
Explanation:
Explanation:
A) FalseB) TrueC) True
In a system with a multitude of class dependencies, the following measures can be considered:
A) The dependencies between classes are the responsibility of the developers. No measures are required within the architecture: This is false. While developers do manage day-to-day class dependencies, architectural measures are necessary to address systemic issues in a mature system1.
B) Loosening of direct dependencies between classes through the introduction of interfaces: This is true.
Introducing interfaces can decouple classes and allow for more flexible and maintainable code1.
C) Loosening of direct dependencies between classes through the introduction of factories: This is also true.
Factories can provide a way to create instances of classes without specifying the exact class, thus reducing dependencies1.
These measures align with the iSAQB SOFTWARE ARCHITECTURE - FOUNDATION LEVEL guidelines, which suggest that managing dependencies is crucial for maintaining and extending systems effectively1.
NEW QUESTION # 29
What is the purpose of defining the system context? (Assign all answers.)
Answer:
Explanation:
Explanation:
The purpose of defining the system context includes:
* To illustrate the system's interfaces with external systems (B) - True
* To clarify the area of responsibility of the software architect C - True
* To represent the external systems (D) - True
* To distinguish between infrastructure and application (E) - True
* To distinguish between the hardware and software of a solution (F) - True Defining the system context is a crucial step in software architecture as it helps to establish the boundaries and interactions of a system within its environment. Here's a detailed explanation of the purposes:
* To Illustrate the System's Interfaces with External Systems (B): It is essential to understand how the system interacts with other systems, which can influence requirements and design1.
* To Clarify the Area of Responsibility of the Software Architect : By defining the system context, the architect's responsibilities regarding the system's interactions and boundaries are made clear1.
* To Represent the External Systems (D): The system context helps identify and represent all external entities that interact with the system, which is important for comprehensive design and analysis1.
* To Distinguish Between Infrastructure and Application (E): Understanding the system context allows for a clear distinction between the infrastructure (the environment in which the application operates) and the application itself1.
* To Distinguish Between the Hardware and Software of a Solution (F): The system context helps to differentiate between the hardware components and the software components of a system, which is vital for system integration and deployment1.
These aspects of the system context are fundamental for ensuring that the system is designed and developed to meet its intended goals and operate effectively within its designated environment.
References:
* Smartpedia article on System Context1.
* Visual Paradigm Blog on System Context Diagrams2.
* microTOOL article on System Context3.
NEW QUESTION # 30
In a customer project the architecture shall be based on components. The requirements have not been fully determined yet.
Taking this constraint into account, which three properties of the components developed by you will you pay particular attention to? (Choose three.)
- A. small component size
- B. strong cohesion
- C. weak coupling
- D. meaningful component names
- E. open for extension
Answer: B,C,E
Explanation:
Considering that the requirements are still being determined, designing components with specific attributes can ensure adaptability and maintainability of the architecture.
* B: Weak coupling makes individual components less dependent on each other, enhancing the flexibility and scalability of the system.
* C: Strong cohesion ensures that components are designed with a clear purpose and functionality, improving the system's integrity and ease of maintenance.
* D: Making components open for extension but closed for modification supports the adaptability of the system to changing requirements without disrupting existing functionality.
NEW QUESTION # 31
You are responsible for the documentation of the software architecture of a large development project. The project consists of three teams, each with its own architect, but with you as the person having overall responsibility of the entire project's software architecture.
Which of the following measures are beneficial? (Assign all answers.)
Answer:
Explanation:
NEW QUESTION # 32
How are written documentation and verbal communication of software architectures related? Please mark the following statements as true or false. (Assign all answers.)
Answer:
Explanation:
NEW QUESTION # 33
Which statements with regard to project objectives and architectural objectives are true and which are false?
K-Question: Assign all answers
Answer:
Explanation:
NEW QUESTION # 34
How are written documentation and verbal communication of software architectures related? Please mark the following statements as true or false. (Assign all answers.)
Answer:
Explanation:
Explanation:
A) FalseB) FalseC) TrueD) TrueE) TrueF) True
A) Agile approaches make written documentation unnecessary. In such cases, verbal communication can substitute for documentation.
* False. Even in agile approaches, written documentation is important for maintaining a clear and
* consistent understanding of the architecture among team members and stakeholders1.
B) Written documentation makes verbal reiteration unnecessary.
* False. Verbal communication is essential for clarifying and reinforcing the content of written documentation, especially when addressing complex or nuanced architectural issues2.
C) Despite written documentation, verbal communication of architectural interrelationships is important.
* True. Verbal communication plays a crucial role in explaining the rationale behind architectural decisions and interrelationships that may not be fully captured in documentation2.
D) Documentation and communication should use identical terms and rationale.
* True. Consistency in terminology and rationale between documentation and verbal communication helps prevent misunderstandings and ensures that all parties have a common understanding of the architecture2.
E) Documentation should be created primarily for project participants who either cannot or do not want to read the system's source code.
* True. Documentation serves as a guide for those who may not be directly involved in coding but need to understand the architecture, such as managers, new team members, or external stakeholders2.
F) Communication and documentation complement each other: verbal communication helps architects determine what must be recorded in writing.
* True. Verbal communication often reveals what aspects of the architecture are most important or confusing to team members, guiding what should be emphasized in written documentation
NEW QUESTION # 35
How are written documentation and verbal communication of software architectures related? Please mark the following statements as true or false. (Assign all answers.)
Answer:
Explanation:
NEW QUESTION # 36
Which three artifacts does the assessment team create when conducting an ATAM evaluation? (Choose three.)
- A. Description of quality scenarios
- B. The concrete quality tree
- C. Architecture-specific chapters of the quality management manual
- D. A quality model
- E. Selection of the quality attributes of the architectural building blocks
- F. Architecture documentation
- G. List of the architectural risks
Answer: A,F,G
NEW QUESTION # 37
Which of the following statements are correct? P-Question. From the following 4 answers select 2 that fit best.
- A. The push operation usually places a new element onto a stack
- B. A stack acts exactly like a queue
- C. A stack usually only provides access to one element at a time
- D. A stack is organised according to the FIFO principle
Answer: A,C
NEW QUESTION # 38
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The CPSA-FL certification exam covers a wide range of topics related to software architecture. These include software architecture principles, architecture modeling, architecture documentation, architecture evaluation, and architecture patterns. By passing the CPSA-FL certification exam, candidates demonstrate that they have a comprehensive understanding of these topics and are capable of applying this knowledge to real-world scenarios.
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