When APIs are remote, latency is introduced by frequent token validation requests. Enabling Cache Token on the OAuth Resource Server reduces repeated validation calls and improves performance.

Exact Extract:

''The OAuth Resource Server configuration includes a Cache Token option that improves performance by reducing round trips for token validation.''

Option A is incorrect --- key rolling affects cryptographic keys, not API latency.

Option B is incorrect --- virtual hosts control external FQDNs, not performance.

Option C is incorrect --- token attribute size does not significantly affect remote latency.

Option D is correct --- caching tokens reduces validation overhead.