Software maintenance

Question 1

What if software maintenance

Answer 1

process of changing, modifying and updating software to keep up with customer needs

Question 2

when does software maintenance take place

Answer 2

after product launch for various reasons (use common sense for reasons)

Question 2

when does software maintenance take place

Answer 2

after product launch for various reasons (use common sense for reasons)

Question 3

why is maintenance important

Answer 3

crucial part of remaining competitive and relevant

Question 4

types of software maintenance

Answer 4

preventative maintenance
corrective
adaptive
perfective

Question 5

preventative maintenance

Answer 5

looking to the future so that software can keep working as desired for as long as possible - changes, upgrades

Question 6

corrective maintenance

Answer 6

needed when something goes wrong in software and causes faults and error

Question 7

adaptive maintenance

Answer 7

changing technologies as well and policies and rules regarding software - OS changes, cloud storage, hardware

Question 8

perfective maintenance

Answer 8

add stuff to make it better? - when software is released to the public, new issues and ideas come to the surface. Users may see the need for new features or requirements that they would like to see in the software

Question 9

software maintenance process

Answer 9

change request
change management
impact analysis
system release planning
change implementation (loop back to release planning)
system release (loop back to system release)
(from release planning) –> corrective maintenance, adaptive maintenance, perfective maintenance (system enhancement)

Question 10

CI and CD are made up of? (from the infinity sign diagram)

Answer 10

plan - enables frequent micro incremental releases
code - development
build - merges code and commits with some testing and security validation
test
release - repository commits and adequate documentation of the changes
deploy - actual update of code base
operate - monitoring and orchestation
measure

Question 11

Differences between Agile, CI/CD and devOps

Answer 11

Agile - focus on processes, highlighting change while accelerating delivery
CI/CD - focuses on software-defined life cycles, highlighting tools and emphazing automation
DevOps - focus on culture, highlights roles and emphasizes responsiveness