If authentication failed during an FP_open call with a PEA file, what is the automatic fallback func

If authentication failed during an FP_open call with a PEA file, what is the automatic fallback functionality?

A.
Defaults to the anonymous profile for authentication

B.
Access to the Centera is granted with read only capabilities

C.
PAI module asks for Username and Password

D.
There is no fallback, no access to the Centera