Migration, IaC and Provisioning
This topic covers migration planning, infrastructure as code, configuration as code, scripting logic, JSON/YAML, variables, repeatability, testing, and drift detection.
How to study for CompTIA Cloud+
Treat each Cloud+ item as an operations decision: identify the service layer, ownership boundary, requirement, risk, control, and validation step.
Core concepts
Concept 1
Migration planning should assess dependencies, data movement, downtime, compatibility, validation, and rollback.
Exam cue: Assess dependency, downtime, data, compatibility, and rollback risk.
Concept 2
Infrastructure as code and configuration as code make cloud resources repeatable when reviewed, versioned, and tested.
Exam cue: Use versioned IaC for repeatable provisioning.
Concept 3
Provisioning should use variables, templates, secrets handling, and environment controls to avoid manual drift.
Exam cue: Detect and correct drift through declared configuration.
Risk pitfalls and guardrails
Migrating before discovering hidden application dependencies.
Guardrail: Avoid answers that skip telemetry, over-permission identities, ignore cost or compliance, disable controls broadly, or deploy without rollback.
Committing secrets directly into IaC templates.
Guardrail: Avoid answers that skip telemetry, over-permission identities, ignore cost or compliance, disable controls broadly, or deploy without rollback.
Treating manual console edits as harmless after IaC is adopted.
Guardrail: Avoid answers that skip telemetry, over-permission identities, ignore cost or compliance, disable controls broadly, or deploy without rollback.
Memory anchors
Migration Wave
A migration wave groups workloads by dependency, risk, timing, and business priority.
Dependency Map
A dependency map identifies systems, data flows, identities, networks, and external services needed by a workload.
IaC Template
An IaC template declares cloud resources so environments can be reviewed and recreated.
Configuration as Code
Configuration as code manages system or application settings through versioned, repeatable definitions.
Variable
A variable lets templates adapt across environments without copying whole definitions.
JSON
JSON is a structured data format often used for configuration, APIs, and templates.
YAML
YAML is a human-readable structured format often used for configuration and pipeline definitions.
Drift Detection
Drift detection finds differences between declared configuration and actual resources.
Provisioning Test
A provisioning test confirms resources deploy correctly before production use.
Secret Reference
A secret reference points automation to protected secret storage instead of embedding credentials.
Checkpoint rule
Do the check-up only after you can summarize each concept in one sentence and identify one dangerous pitfall from memory.
Knowledge Check (after reading)
Short check-up to confirm understanding of this module.
Check-up Questions
A company is preparing to move an order-processing application to the cloud. What should the team do before assigning servers to migration waves?
A retailer will move a virtualized web application from its data center to a public cloud without changing the guest operating system. Which migration direction applies?
Answer all questions to submit.
Next step personalized recommendations
Continue learning
Move forward only after this module is stable.
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