Which of the following is NOT a typical use for Docker daemon.json settings?

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The choice regarding setting environment variables for containers is indeed not a typical use for docker daemon.json settings. The daemon.json file is primarily configured to manage settings that affect how the Docker daemon runs and operates on the host system. It includes configurations related to logging options, network settings, and storage driver options to fine-tune how Docker handles images, containers, and resource management.

While environment variables can be specified for individual containers at runtime (for example, using the -e flag with docker run or through a Docker Compose file), they are not a global or daemon-level configuration option. The daemon.json focuses specifically on settings that apply universally to all containers launched by that daemon rather than container-specific configurations like environment variables. Hence, this distinction makes the statement regarding environment variables the correct answer.

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