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.
A. Encapsulation encrypts traffic payload. Other options do not really fit for VPN security.
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