Lesson 4 Software Development Approches, Waterfall, Agile

Question 1

What is the waterfall approach/model?

Answer 1

In software development, this approach is less flexible. You cannot go to the next step of development until the previous step is finished.

You cannot go back and change something from a previous stage.

Question 2

What is agile frameworks?

Answer 2

This is the umbrella term for several software development approaches including Scrum, Kanban, Extreme programming, and Feature-Driven Development.

Question 3

What does agile actually mean?

Answer 3

Agile means you can continue to make changes. It allows for quick software development and release while gathering feedback from users.

Question 4

What is the agile software development workflow?

Answer 4

1. Planning
2. Design
3. Development
4. QA

Question 5

What is included in the Scrum principles?

Answer 5

1. The project team is led by a project manager and consists a of product owner, Scrum master and other team members.
2. Optimal size of a team should be between 6 to 10 members.
3. Teams meet daily to provide status updates.

Question 6

When using Scrum framework, what are the phases like?

Answer 6

The phases are short sprints which could be a 2 to 4 week period of time. At the end of the sprint, the work should be delivered to the client.

Question 7

What is a product backlog?

Answer 7

There are features and bugs that have not been resolved yet and were placed in a backlog. These items may not be super important to fix at that moment.

Question 8

What is sprint planning?

Answer 8

You choose items from the backlog that you will work on during the next sprint.

Ex. QA engineer will write test cases from the documentation from the planning.

Question 9

What is the retrospective phase?

Answer 9

This is where you determine what everyone was able to complete and see if things need to be moved to the next sprint.