I used Oracle Learning Library to pass 1z0-060. The multitenant, ILM and other exercises reinforce the material covered in new features documentation.

3. This is good. Very informative information and helpful in clarifying lot of concepts. However, it will be helpful if you can provide how to do the recovery of PDB (point in time recovery) for RAC database. The procedure is good for the single instance. Also, how to handle PDB tasks like closing/opening of database in RAC environment from a single node so that you don't have to login to each RAC node to open/close. If you have links for the same, will appreciate the same.