Which of the following describes the main difference between public and private container repositories?

Private container repository access requires authorization, while public repository access does not require authorization.

Private container repositories are hidden by default and containers must be directly referenced, while public container repositories allow browsing of container images.

Private container repositories must use proprietary licenses, while public container repositories must have open-source licenses.

Private container repositories are used to obfuscate the content of the Dockerfile, while public container repositories allow for Dockerfile inspection.