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
Answer:C
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