1351
During an authorized retail-company assessment (RET-LAB-M03-1351), which evidence best supports an assessment of "operating-system fingerprinting"?
View answer choices
- Authoritative DNS responses and a validated map of relevant record types.
- Timestamped probe logs matched to the approved source and scope.
- Registrar records showing nameservers, dates, status codes, and registration contacts.
- Multiple fingerprint signals with a confidence score rather than one banner alone.