Quiz: images and data

Read the output

Yesterday both containers were started from tagged images. Why does web show an ID instead of a name in the image column?

$ sudo docker ps --format '{{.Names}}  {{.Image}}  {{.Status}}'
web  33f72376d11d  Up 20 hours
notes  notes:1  Up 20 hours

• A web was re-created from a new image.
• B docker shows an ID for containers older than a day.
• C web's image was deleted from disk, and the container runs without it.
• D A build moved web's image tag to a new image, while web stayed on the old one.