📋 Systems Manager Cheat Sheet

Systems Manager appears throughout SOA-C03 because it handles secure operations, fleet management, automation, patching, and remediation.

Core Tools

  • Session Manager provides shell access without opening inbound SSH or RDP ports.
  • Run Command executes commands across managed instances without logging in directly.
  • Patch Manager automates operating system and application patch baselines.
  • State Manager keeps managed nodes in a desired configuration state.

Automation

  • Automation documents define repeatable operational workflows.
  • AWS Config remediation and EventBridge rules can trigger Systems Manager Automation.
  • Parameter Store stores configuration values and SecureString secrets protected by KMS.
  • Inventory collects metadata about software, files, services, and instance configuration.

Exam Cues

  • Need no-bastion access to private instances: Session Manager.
  • Need one-time commands across a fleet: Run Command.
  • Need ongoing desired state: State Manager.
  • Need repeatable incident remediation: Automation.

Practice Systems Manager Questions

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