| Exam 200-105 | Question id=1904 | WAN Technologies |
At which layer of the OSI model does PPP perform?
| A. |
Layer 2 | |
| B. |
Layer 3 | |
| C. |
Layer 4 | |
| D. |
Layer 5 |
Point-to-Point Protocol (PPP) is a data link protocol commonly used in establishing a direct connection between two networking nodes. It can provide connection authentication, transmission encryption (using ECP, RFC 1968), and compression.