• (A) A technique used to best-effort delivery systems to avoid endlessly looping packets.
• (B) A technique used by protocols in which a lower level protocol accepts a message from a higher level protocol and places it in the data portion of the law level frame.
• (C) One of the pieces that results when an IP gateway divides an IP datagram into smaller pieces for transmission across a network that cannot handle the original datagram size.
• (D) All of these