6.Which Docker command lists locally cached Docker images on the GitLab Runner machine?
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A. docker ps
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B. docker ls
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C. docker images
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D. docker run
docker images
docker images
7.In GitLab CI, where is the Docker image pulled from if it doesn't exist locally?
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A. GitLab package registry
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B. Docker Hub (by default)
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C. GitLab cache folder
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D. System temp storage
Docker Hub (by default)
Docker Hub (by default)