Ch. 3: XP, Scrum and Agile

Question 1

What is agile development?

Answer 1

Systems are developed as a series of versions

Question 2

What are the principles off agile methods?

Answer 2

• Customer involvement
• Incremental delivery
• People not process
• Embrace change
• Maintain simplicity

Question 3

What are the agile development techniques?

Answer 3

Extreme programming

Question 4

What is extreme programming?

Answer 4

• New versions may be built several times per day
• Increments are delivered to customers every 2 weeks
• All test must be run for every build, build only accepted if tests run successfully

Question 5

What is the XP release cycle?

Answer 5

• Select user stories for this release
• Break down stories to tasks
• Plan release
• Develop/integrate/test software
• Release software
• Evaluate system

Question 6

What are XP programming practices?

Answer 6

• Incremental planning
• Small releases
• Simple design
• Test-first development
• Refactoring
• Pair programming
• Collective ownership
• Continuous integration
• Sustainable pace
• Onsite customer

Question 7

What are the key XP practices?

Answer 7

• User stories
• Refactoring
• Test first development
• Pair programming

Question 8

Describe the refractoring process?

Answer 8

Constant code improvement

Programming team looks for improvements in the software

Question 9

Describe the User stories process?

Answer 9

• User stories are written on cards
• Development team breaks them down into implementation tasks
• Tasks are assigned cost estimates
• User stories are used as user requirements

Question 9

Describe the test first development process?

Answer 9

• Write tests before code clarifies the requirements to be implemented
• Tests are written as programs that can be executed automatically

Question 10

What is the customers role in the testing process?

Answer 10

Help develop acceptance tests for stories that are to be implemented in the next release of the system

Question 11

Describe the pair programming process?

Answer 11

• Programmers work in pairs to develop code
• Programmers sit at the same computer to develop the software

Question 12

What is scrum?

Answer 12

An agile method that focuses on managing iterative development rather than specific agile practices

Question 13

What are the three phases in scrum?

Answer 13

• Initial phase
• Sprint cycles
• Project closure phase

Question 14

What happens in the initial phase in scrum?

Answer 14

Establish general objects for the project

Design software architecture

Question 15

What happens in the sprint cycles phase in scrum?

Answer 15

Each cycle develops an increment of the system

Question 16

What happens in the project closure phase in scrum?

Answer 16

Completes require documentation

Assesses lessons learned from the project

Question 17

What is the development team?

Answer 17

A self organizing group of software developers responsible for developing the software and other project documents

Question 18

What is the potentially shippable product increment?

Answer 18

The potentially shippable product delivered at the end of a sprint

Question 19

What is the product backlog?

Answer 19

A list of to do items the scrum team must tackle

Question 20

What is the product owner?

Answer 20

An individual whose job is to identify and prioritize product features or requirements

Question 21

What is scrum?

Answer 21

A daily meeting of the scrum team that reviews progress and prioritizes work to be done that day

Question 22

What is the Scrum Master?

Answer 22

Responsible for ensuring the scrum process is followed and guides the team in effective use of scrum

Question 23

What is a sprint?

Answer 23

A development interaction

usually 2-4 weeks long

Question 24

What is velocity?

Answer 24

An estimate of how much product backlog effort a team can cover in a single sprint