What are two of the most useful headers for determining the origination of Usenet messages?
A) From and Message-ID
B) NNTP-Posting-Host and X-Trace
C) Path and Subject
D) RFC1036 and RFC2980

Question

Quizplus · Accepted Answer

B) NNTP-Posting-Host and X-Trace are two headers that can be very useful in determining the origination of Usenet messages. NNTP-Posting-Host reveals the IP address of the system from which the message was posted, and X-Trace can provide detailed tracing information including the posting host's IP address and sometimes the poster's email address or other identifying information.

What Are Two of the Most Useful Headers for Determining