| Exam 200-105 | Question id=1903 | WAN Technologies |
Which protocol is an open standard protocol framework that is commonly used in VPNs, to provide secure end-to-end communications?
| A. |
RSA | |
| B. |
L2TP | |
| C. |
IPsec | |
| D. |
PPTP |
Internet Protocol Security (IPsec) is a technology protocol suite for securing Internet Protocol (IP) communications by authenticating and/or encrypting each IP packet of a communication session. IPsec also includes protocols for establishing mutual authentication between agents at the beginning of the session and negotiation of cryptographic keys to be used during the session.