CPA Software Development & Design Principles 3

Question 1

What does 'coupling' measure in software design?

Accepted Answer

The degree of interdependence between modules

Answer

Coupling measures the degree to which one module depends on or knows about another module.

Question 2

Which principle in object-oriented design states that objects of a superclass should be replaceable with objects of its subclasses without breaking the application?

Accepted Answer

Liskov Substitution Principle

Answer

The Liskov Substitution Principle (LSP) states that subclasses must be substitutable for their base classes without altering program correctness.

Question 3

What type of testing verifies that individual components of a system work correctly in isolation?

Accepted Answer

Unit testing

Answer

Unit testing focuses on verifying that individual units or components of software work as expected in isolation.

Question 4

In software architecture, what is a microservices architecture characterized by?

Accepted Answer

Small, independently deployable services communicating via APIs

Answer

Microservices architecture structures an application as a collection of small, loosely coupled services that communicate via well-defined APIs.

Question 5

Which version control workflow involves each developer working on a dedicated long-running branch for a feature?

Accepted Answer

Feature branch workflow

Answer

The Feature Branch Workflow has developers create a dedicated branch for each feature, keeping the main branch stable.

(CPA) Certified Associate Programmer Practice Test

(CPA) Certified Associate Programmer Practice Test

CPA Software Development & Design Principles 3