Full-Stack Development Professional Standards & Competencies 3

Question 1

Which of the following best describes 'technical debt' in a software project?

Accepted Answer

The cost of rework caused by choosing quick solutions over better long-term approaches

Answer

Technical debt refers to the implied future rework required when shortcuts are taken instead of implementing the right solution upfront.

Question 2

A client requests a feature that would violate user privacy regulations like GDPR. A professional developer should:

Accepted Answer

Inform the client of the legal risk and propose a compliant alternative

Answer

Developers have a professional obligation to flag legal and ethical risks and guide clients toward compliant solutions.

Question 3

What is the primary benefit of practicing Test-Driven Development (TDD) as a professional standard?

Accepted Answer

It ensures tests are written before code, leading to better design and fewer regressions

Answer

TDD drives better API design by forcing developers to think about usage before implementation, and the test suite prevents regressions.

Question 4

When should a full-stack developer use environment variables instead of hardcoding configuration values?

Accepted Answer

For all values that differ between environments or must be kept secret

Answer

Environment variables externalize configuration and secrets, following the Twelve-Factor App principle of separating config from code.

Question 5

A developer joins a project mid-sprint and realizes the existing code style is inconsistent. The best professional action is to:

Accepted Answer

Follow the existing style and propose a linting standard through proper channels

Answer

Respecting existing conventions while advocating for improvement through proper team processes is the mark of a collaborative professional.

Full-Stack Development Practice Test