At which layer of the OSI model does PPP perform?

A.
Layer 2

B.
Layer 3

C.
Layer 4

D.
Layer 5

Explanation:
Point-to-Point Protocol (PPP) is adata linkprotocolcommonly used in establishing a direct connection
between twonetworking nodes. It can provide connectionauthentication,
transmissionencryption(usingECP,RFC 1968), andcompression.