which layer of the OSI model does PPP perform?

At which layer of the OSI model does PPP perform?

A.
Layer 2

B.
Layer 3

C.
Layer 4

D.
Layer 5

Explanation:
The Point-to-Point Protocol (PPP) provides a standard method for transporting multi-protocol
datagrams over point-to-point links. PPP was originally emerged as an encapsulation
protocol for transporting IP traffic between two peers. It is a data link layer protocol (layer 2
in the OSI model )