Which command is used to pull an image from a Docker registry?

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The command used to pull an image from a Docker registry is "docker pull [image_name]." This command is designed specifically for retrieving images from a remote Docker registry, such as Docker Hub or a private registry, and it downloads the specified image to the local machine.

When executed, the command checks the registry for the specified image name and retrieves the necessary layers and metadata to create a local copy. This functionality is essential for developers and administrators who need to work with images that are not available locally.

The other options do not serve the same purpose: "docker get" and "docker fetch" are not valid Docker commands for pulling images, and "docker load" is used for loading an image from a tarball into Docker, not for pulling images from a registry.

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