The technique used to ensure security in virtual private networks (VPNs) is:
A.
encapsulation.
B.
wrapping.
C.
transform.
D.
encryption.
Explanation:
Encapsulation, or tunneling, is a technique used to carry the traffic of one protocol over a network that does not
support that protocol directly. The original packet is wrapped in another packet. The other choices are not
security techniques specific to VPNs.