Which is NOT required to register and log support requests in My Oracle Support (MOS)? 

Answer options:

A. Your resource OCID (Oracle Cloud Identifier)
B. Your Tenancy OCID (Oracle Cloud Identifier)
C. Your account password
D. Your Customer Support Identifier (CSI)

A

Reference: https://docs.cloud.oracle.com/en-us/iaas/pdf/ug/OCI_User_Guide.pdf