In CI/CD, what does CI stand for?
AnswerContinuous Integration
Continuous integration means merging code often and testing it automatically.
Coding · Facts & stats
DevOps facts & stats
7 fact-checked facts about DevOps, each with the reason behind it. 5 more are in today's round and join this page after it closes.
The basics
In deployments, what is a rollback?
AnswerReturning to a previous working version
A rollback undoes a problem release by restoring the last known good version.
Going deeper
What does "infrastructure as code" mean?
AnswerManaging servers and networks through version-controlled config files
Infrastructure as code defines resources in files that can be reviewed, versioned and reused.
What does the HTTP status code 503 mean?
AnswerService Unavailable
503 means the server is temporarily unable to handle the request, such as during overload.
In software teams, what does "shift left" mean?
AnswerDoing testing and checks earlier in development
Shifting left catches bugs sooner, when they are cheaper and easier to fix.
Expert level
Roughly how much downtime per year does 99.999% ("five nines") availability allow?
AnswerAbout 5 minutes
0.001% of a year's 525,600 minutes is about 5.26 minutes.
What does the recursive acronym YAML stand for?
AnswerYAML Ain't Markup Language
YAML is a human-readable data format widely used for configuration files.
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