Chapter 3

Question 1

List

4 stages of a Scrum sprint

Answer 1

Plan
Build
Test
Review

Question 2

List and Define

3 roles in Scrum

Answer 2

Product owner- creates and prioritizes backlog

Scrum Master- facilitates, removes obstacles, runs meetings, coaches

Team members

Question 3

List and Define

3 artifacts of Scrum

Answer 3

Product backlog- prioritized list of product requirements or features
Sprint backlog- subset of above to be completed during sprint
Code Increment- result of a sprint

Question 4

Define

Sprint Planning Meeting

Answer 4

Determine what items from product backlog can be delivered in time-box, move to sprint backlog. Decide team roles

Question 5

Define

Daily Scrum Meeting

Answer 5

15 minutes
What did you accomplish?
What obstacles did you find?
What do you plan to accomplish before next meeting?

Question 6

Define

What is Agility

Answer 6

Effective response to change
Effective communication among all stakeholders
Drawing customer into team
Rapid, incremental delivrey of software

Like making a meal and giving tastes along the way

Question 7

List

Pros of Scrum

Answer 7

Product owner sets priorities
Team owns decision making
Documentation is lightweight
Supports frequent updating

Question 8

List

Cons of Scrum

Answer 8

Difficult to control cost of changes
May not be suitable for large teams
Requires expert team members

Question 9

List

Extreme Programming (XP) process

Answer 9

Planning
Design
Coding
Testing

Question 10

Define

XP Planning

Answer 10

Begins with user stories, cost estimate (length of time), stories chosen for increment, delivery date set, project velocty estimated

Question 11

Define

XP Design

Answer 11

KIS, encourages use of CRC cards

Question 12

Define

XP Coding

Answer 12

Construct unit tests before coding, program in pairs

Question 13

Define

XP Testing

Answer 13

Unit tests executed daily, acceptance tests defined by customer

Question 14

List

Pros of XP

Answer 14

Emphasizes customer involvement
Establishes rational plans and schedules
High developer commitment to the projects
Reduced likelihood of project rejection

Question 15

List

XP Cons

Answer 15

Temptation to ‘ship’ a prototype
Requires frequent meetingd about increasing costs
Allows for excessive changes
Depends on highly skilled team members

Question 16

Describe

Kanban Framework

Answer 16

Visual presentation
Limits amount of work in progress at any time
Managing workflow to reduce waste
Making policies explicit, define ‘done’
Continuous improvement with feedback loops
Process changes made collaboratively

Question 17

List

Pros of Kanban

Answer 17

Lower budget and time requirements
Allows early product delivery
Process policies written down
Continuous improvement

Question 18

List

Cons of Kanban

Answer 18

Team collab skills determine success
Poor business analysis can doom
Flexibility can cause to lose focus
Development reluctant to use measurement

Question 19

List and Define

DevOps

Answer 19

Continuous development in multiple sprints
Continuous testing with automatic tools used prior to integration
Continuous integration with new code added to existing
Continuous deployment
Continuous Monitoring of the production environment

Question 20

List

Pros of DevOps

Answer 20

Reduced time to Deploy
Team has development and operations staff
Team has end-to-end ownership
Proactive monitoring

Question 21

List

Cons of DevOps

Answer 21

Pressure to work on old and new code
Heavy reliance on auto tools to be affective
Deployment may affect the product environment