11 Extreme Programming

Question 1

what is the agile manifesto

Answer 1

1. individuals and interaction over process and tools
2. working software over comprehensive documentation
3. respond to changes over following plan
4. customer collaboration over contract negotiation

Question 2

what is extreme programming

Answer 2

1. extreme approach to iterative development
2. new versions may be built several times a day
3. increments delivered every 2 weeks
4. test driven development

Question 3

extreme programming flow

Answer 3

1. select user stories
2. breakdown stories to task
3. plan releases
4. develop/integrate software
5. release software
6. evaluate system

Question 4

extreme programming principles

Answer 4

1. small and frequent releases
2. clear commitment of customer engagement in development
3. pair programming and collective ownership
4. constant refactoring

Question 5

customers in extreme programming

Answer 5

1. customers are part of the team and responsible for the development
2. development team breaks down information of implementation of task for scheduling and budgeting
3. improves understandability of software
4. changes are easier to make as code is well structured

Question 6

what is pair programming

Answer 6

1. programmers sit together to develop code
2. develop common ownership of code, and spread knowledge
3. serve as informal review process as each line is looked at by 2 people
4. encourage refactoring

Question 7

extreme programming problems

Answer 7

1. programmers prefer to write code, not test
2. some tests are hard to design incrementally
3. difficult to judge completeness of test

Question 8

what are the scrum phases

Answer 8

1. initial phase
2. series of sprints
3. project closure phase

Question 9

change management

Answer 9

1. software change is inevitable
   - new request emerge when software is used
   - business environment changes
   - error must be fixed
   - new equipment must be accommodated
   - improvement to reliability and performance
2. ensure that system evolution is manageable
3. priority given to most urgent, cost effective changes

Question 10

change management process

Answer 10

1. analyse cost benefit of proposed change
2. approve worthwhile changes
3. track changes

Question 11

software change steps

Answer 11

1. change request
2. impact analysis
3. release planning
4. change implementation
5. system release

Question 12

factors in change analysis

Answer 12

1. consequences of not making change
2. benefit of change
3. number of users affected by change
4. cost of making change
5. product release cycle

Question 13

what is software maintenance

Answer 13

1. modify software after release
2. do not normally involve major changes to system architecture
3. modify existing components and adding new components

Question 14

types of software maintenance

Answer 14

1. fault repairs
   - fix bugs and correct deficiencies to meet requirement
2. environmental adaptation
   - to operate in a different environment from its initial implementation
3. functionality addition and modification
   - to satisfy new requirements

Question 15

maintenance cost

Answer 15

1. usually 2x - 100x greater than development cost
2. affected by technical and non-technical factors
3. ageing software have higher maintenance cost

Question 16

maintenance problems

Answer 16

1. new team needs to understand the program being maintained
2. separating maintenance and development means no incentive for developers to write maintainable software
3. program maintenance work is unpopular
4. maintenance staff is often inexperienced
5. aged software are heard to change

Question 17

maintenance predictions

Answer 17

1. maintainability
2. maintenance cost
3. system changes

Question 18

what does software license cover

Answer 18

1. ownership
2. end usage rights
3. distributions rights
4. engineering rights
5. warranties and liability

Question 19

roles in licensing

Answer 19

1. producer
   - author
   - owner
   - distributor
   - developer
   - contributor
2. consumer
   - infrastructure engineer
   - end user
   - developer

Question 20

what can software license be applied to

Answer 20

1. source code
2. binaries
3. documentation
4. outputs

Question 21

software warranty and liability

Answer 21

warranty asserts duration of time for ensuring software functions by providers

liability clause is for who is responsible if software causes damage

Question 22

categories of software (free or not free)

Answer 22

1. freeware
   - non chargeable copyrighted
2. shareware
   - delivered without charge but continues usage subject to payment
3. proprietary
   - non free

Question 23

reputational issues

Answer 23

1. access to end user information
2. only issuing update to licensed users
3. installing monitoring software to detect violations
4. modifying/ disabling devices running unlicensed software
5. taking legal actions