When are rules that include Identity Awareness Access (IDA) roles accelerated through SecureXL?

When are rules that include Identity Awareness Access (IDA) roles accelerated through
SecureXL?

A.
Always, the inclusion of an IDA role guarantees the connection for the rule is accelerated.

B.
The inclusion of an IDA role has no bearing on whether the connection for the rule is
accelerated.

C.
Never, the inclusion of an IDA role disables SecureXL.

D.
Only when ‘Unauthenticated Guests’ is included in the access role.