What types of cloud-init data sources can be used to configure cloud instances? (Select all that apply)

Question

Options

• ACloud-based configuration management tools
• BMetadata service
• CQR codes
• DUser data scripts

• A
  6% (2)
• B
  84% (27)
• C
  9% (3)

Explanation

Cloud-init is a widely used initialization system for cloud instances, allowing configuration at first boot. According to cloud-init documentation, the two primary data sources used to configure instances are metadata services and user data scripts. A metadata service provides instance-specific information such as hostname, instance ID, networking details, and SSH keys. User data scripts allow administrators to supply custom configuration instructions, commonly written as shell scripts or cloud-config YAML. Cloud-based configuration management tools like Ansible or Puppet are not cloud-init data sources; instead, cloud-init may install or trigger them. QR codes are not supported data sources Virtualization and cloud documentation clearly identifies metadata and user data as the supported configuration mechanisms. Therefore, the correct answers are B and D.

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