Which protocol is an open standard protocol framework that is commonly used in VPNs, to provide secure end-to-end communications?

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

View Answer

Answer: C

Explanation:

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.