The correct answer is B. www.example.com
and https://www.example.com
This answer is based on the screenshot provided in the question set and matches the valid URL formats shown for that configuration scenario. The key point being tested is that the allowed entry format accepts a standard hostname form and a standard HTTPS URL form, while the other choices introduce unsupported or inappropriate schemes and formats for the field shown.
In Proofpoint administration, configuration fields that accept web destinations generally expect standard web-style entries rather than unrelated transport protocols such as FTP, SMTP, or file-based URL syntax. That is why options containing ftp://, smtp://, file://, or a mail-host-and-port format are not the expected answers in this course context. The screenshot-based item is testing recognition of acceptable input examples rather than deep routing logic.
Because this question is tied to the visual configuration example you supplied earlier, the verified course-aligned answer remains B. www.example.com
and https://www.example.com
