Answer:
The answer is "1918".
Explanation:
The RFC stands for "remote function call", it is also known as an abbreviated form. It is an application, that responses in a technical online design Task Force, it is also known as a document, which was prepared for review by shareholders to collects some information.
The RFC reverses is also known as an idea, that uses IP version 4 to reverse the IP address, this process is done by TCP/IP protocol, which is defined under RFC 1918.
