AWS Certified DevOps Engineer - Professional (DOP-C02) glossary
Terms selected for AWS Certified DevOps Engineer - Professional (DOP-C02) based on common objective language and practice focus.
CI/CD Pipeline
Automated workflow that integrates source changes, validates builds, runs tests, and deploys releases reliably.
Read full term ->GitOps
Operational model where Git repositories are the source of truth for infrastructure and application configuration.
Read full term ->Blue/Green Deployment
Release strategy that shifts traffic from current environment to a parallel new environment after validation.
Read full term ->Canary Deployment
Progressive release method where a small percentage of users receive a new version before full rollout.
Read full term ->Rollback Strategy
Predefined method for reverting deployments quickly when metrics or health checks degrade.
Read full term ->Infrastructure Drift
Condition where actual environment configuration diverges from declared infrastructure-as-code definitions.
Read full term ->CloudFormation Change Set
Preview of proposed infrastructure modifications before executing a CloudFormation stack update.
Read full term ->Policy as Code
Encoding governance and security rules in machine-readable form for automated validation.
Read full term ->Observability
Operational capability to understand system state through metrics, logs, traces, and events.
Read full term ->SLO, SLI, and SLA
Reliability measurement framework: indicators, internal targets, and external commitments.
Read full term ->Error Budget
Allowed unreliability amount derived from SLO targets, used to balance velocity and stability.
Read full term ->Chaos Engineering
Practice of intentionally introducing failures to validate system resilience and operational readiness.
Read full term ->Blameless Postmortem
Structured incident review focused on systemic learning and prevention rather than individual blame.
Read full term ->Secrets Rotation
Automated periodic renewal of credentials to reduce compromise risk and credential lifetime.
Read full term ->Progressive Delivery
Release discipline that incrementally exposes new functionality based on automated validation and risk controls.
Read full term ->Immutable Infrastructure
Deployment approach where components are replaced rather than patched in place.
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