What Are Two Roles of an Artifact Repository in a CI/CD

What are two roles of an artifact repository in a CI/CD pipeline? (Choose two.)

A) stores files needed and generated during the build process
B) provides traceability, search, and management of binary files
C) is required for CI/CD pipelines executed on a public cloud infrastructure
D) allows for comparing and merging changes in the source code
E) is required for managing open source software