Software Architecture isaqb

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Questions and Answers

Which principle, when violated, most directly results in a situation where changes to one module necessitate changes in numerous other seemingly unrelated modules?

Liskov Substitution Principle (LSP)
Single Responsibility Principle (SRP) (correct)
Open/Closed Principle (OCP)
Interface Segregation Principle (ISP)

In the context of software architecture, what is the most significant risk of neglecting to properly define and document architectural viewpoints?

Reduced adherence to specific coding standards during implementation
Impaired ability to perform runtime monitoring of the system's behavior
Inability to generate code automatically from the architectural model
Increased difficulty in communicating architectural decisions and rationale to stakeholders (correct)

Consider a system undergoing an ATAM evaluation. Which of the following scenarios would present the most challenging situation for assessing architectural tradeoffs?

Stakeholders express conflicting quality attribute concerns without clear priorities (correct)
Stakeholders have clearly defined and prioritized quality attribute scenarios
The architecture team has extensive experience with similar systems
The architecture has been thoroughly documented using multiple views and viewpoints

Which of the following statements accurately describes the relationship between coupling and cohesion in a well-designed software architecture?

Low coupling and high cohesion are both desirable attributes. (C) Signup and view all the answers

An architect is designing a distributed e-commerce system and is considering the use of microservices. What would be the most important consideration when decomposing the system into individual microservices?

Aligning microservice boundaries with bounded contexts derived from the business domain. (B) Signup and view all the answers

A software architect is tasked with improving the scalability of a legacy application. Which approach would be most effective in achieving this goal without requiring a complete rewrite of the system?

Introducing a caching layer and message queue to offload traffic from the database. (D) Signup and view all the answers

In an agile development environment, how should architectural decisions typically be approached to balance the need for upfront design with the principles of emergent design?

Establish a minimal viable architecture with key guiding principles and evolve it iteratively based on feedback and learning. (C) Signup and view all the answers

When evaluating the maintainability of a software architecture, which factor would be the most critical indicator of potential long-term challenges?

The level of coupling between modules and components. (D) Signup and view all the answers

Which of the following is the most accurate description of the relationship between software architecture and system quality attributes?

Software architecture is a primary determinant of system quality attributes, defining the fundamental constraints and opportunities for achieving them. (B) Signup and view all the answers

A software architect is designing a system that must be highly resilient to failures. Which architectural pattern would be the most suitable for achieving this requirement?

Microservices Architecture (C) Signup and view all the answers

Flashcards

iSAQB Definition

International Software Architecture Qualification Board. An organization.

CPSA-F Definition

Certified Professional for Software Architecture - Foundation Level. A certification.