You have been asked to create an Identity and Access Management (IAM) user that will authenticate to Oracle Cloud Infrastructure (OCI) API endpoints. This user must not be given credentials that would allow them to log into the OCI console. Which two authentication options can you use? (Choose two.) 

Answer options:

A. SSL certificate
B. API signing key
C. SSH key pair
D. PEM Certificate file
E. Auth token

BE

Reference: https://docs.cloud.oracle.com/en-us/iaas/Content/Identity/Tasks/managingcredentials.htm