What the guy above me said
I think I am not sure that it is probably b
Answer:
Internet Protocol version 4 (IPv4)
Explanation:
is the fourth version of the Internet Protocol (IP). It is one of the core protocols of standards-based internetworking methods in the Internet and other packet-switched networks. IPv4 was the first version deployed for production on SATNET in 1982 and on the ARPANET in January 1983.
Explanation:
A code block programmers can reuse multiple times