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
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Internet Protocol Security (IPsec) is a protocol suite for secure Internet Protocol (IP) communications by authenticating and encrypting each IP packet of a communication session.
The IPsec VPN service provides secure Internet Protocol (IP) communications by authenticating and encrypting each IP packet of a communication session.
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