SRE and DevOps fundamentals sample question with answer 138

Question:
Which of these is typical of traditional thinking?

1. Rebuilding 100% of the code to get the 20% change you need
2. Internal sourcing and sharing code
3. Behavior driven development (BDD) and test driven development (TDD)
4. Merging pull requests or rejecting a pull request if it does not match your standards

Answer:
A - is the correct answer. Rebuilding 100% of the code for a 20% is inefficient and time consuming