COA Architecture & System Design

Question 1

What is the primary consideration when designing system architecture?

Accepted Answer

Scalability, reliability, and alignment with business requirements

Answer

Using the newest technology available

Answer

Minimizing the number of components

Answer

Matching competitor architectures

Question 2

Which architectural pattern provides the best fault isolation?

Accepted Answer

Microservices architecture with independent service boundaries

Answer

Monolithic architecture

Answer

Single-tier architecture

Answer

Flat file storage systems

Question 3

What role does documentation play in system architecture?

Accepted Answer

It enables team understanding, maintenance, and future development decisions

Answer

It is only needed for compliance audits

Answer

It slows down development

Answer

It is optional for small systems

Question 4

How should security be incorporated into system architecture?

Accepted Answer

Integrated from the initial design phase as a foundational requirement

Answer

Added after all functional features are complete

Answer

Handled entirely by the network team

Answer

Only addressed when vulnerabilities are discovered

Question 5

What is the benefit of using a layered architecture approach?

Accepted Answer

Separation of concerns enabling independent development and testing

Answer

Faster execution speed

Answer

Reduced hardware requirements

Answer

Elimination of all dependencies

Question 6

When should architectural decisions be reviewed and potentially revised?

Accepted Answer

When requirements change significantly or performance targets are not met

Answer

Never, once architecture is set it should not change

Answer

Only during annual reviews

Answer

Only when migrating to new hardware