How is cloud-init integrated with a managed system image?
A. cloud-init provides the cloud-init-worker command which has to be invoked periodically within the running instance.
B. cloud-init provides systemd units which must be included in several stages of the booting process of the instance.
C. cloud-init provides its own startup mechanism which replaces the instance’s original init system, such as systemd.
D. cloud-init provides a Linux kernel module that must be included and loaded in the instance’s initramfs.
E. cloud-init provides the cloud-init-daemon service which is launched during startup and keeps the instance in sync with the desired configuration.