Which two are required by an administrator while adding a new user to Oracle Machine Learning (OML) Notebooks?

In which format is an Oracle Machine Learning Notebooks notebook saved or exported?

You have created a workspace in Oracle Machine Learning Notebooks and want to share it with collaborators by granting permissions to access your workspace. You want to enable other users to run and modify your notebooks but do not want to provide the ability to schedule jobs that run your notebooks.
Which permission type should be granted to this user?

What are three key features of Oracle Machine Learning Notebooks?

Which feature of Oracle Machine Learning Notebooks should you use for data analysis, data discovery, data visualization, and collaboration on Oracle Autonomous Database?