Open Source vs Managed Services

Which of the following statements is$/$are correct when talking about open$-$source tools and managed services?

When using open$-$source tools, the maintenance of infrastructure is not that easy when compared to using managed services.

The time to set up MLOps systems using the Open Source tool is less compared to using Managed Services.

You get pre$-$configured MLOps templates when using managed services.

Endpoint deployment can be configured via SDK when using managed services.