Answer:
True
Step-by-step explanation:
The IETF which is an acronym of Internet Engineering Task Force is widely known as an open international group that covers various professionals that deals or involved in the formation of internet designs and operation.
Their major focus is on the evolution and application of the Internet protocol suite. The mailing address for PPP is "ietf-ppp (at) ucdavis.edu"
Hence, it is TRUE that The IETF developed PPP (point to point protocol) as a standard physical link layer protocol for transporting various network-layer protocols across serial, point-to-point links.