Full-Stack Development Professional Standards & Competencies 4

Question 1

What does 'shift left' mean in the context of software quality and testing?

Accepted Answer

Introducing testing and quality checks earlier in the development lifecycle

Answer

Shifting left means catching bugs earlier (in development rather than production) which is cheaper and faster to fix.

Question 2

When a developer disagrees with a team's architectural decision that has already been finalized, the most professional approach is to:

Accepted Answer

Voice disagreement once clearly, then commit to the team decision and execute it faithfully

Answer

Professionals advocate their views through proper channels, but once a decision is made, they commit to it to maintain team trust and velocity.

Question 3

Which of the following is a key competency expected of a senior full-stack developer mentoring a junior developer?

Accepted Answer

Providing context, asking guiding questions, and reviewing their work constructively

Answer

Effective mentoring builds junior developers' problem-solving skills through guided discovery rather than just providing answers.

Question 4

A developer realizes they missed a requirement that caused a production bug. What is the most professional response?

Accepted Answer

Immediately fix the bug, write a post-mortem focusing on process improvements, and communicate transparently

Answer

Blameless post-mortems and transparent communication after incidents are professional norms that improve systems rather than punish individuals.

Question 5

What is the primary purpose of Continuous Integration (CI) in a professional development workflow?

Accepted Answer

To detect integration errors early by automatically building and testing every commit

Answer

CI automates build and test runs on every commit so integration problems surface immediately rather than at release time.

Full-Stack Development Practice Test