A virtual private network (VPN) provides data confidentiality by using:
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A.
Secure Sockets Layer (SSL)
B.
Tunnelling
C.
Digital signatures
D.
Phishing
Explanation:
VPNs secure data in transit by encapsulating traffic, a process known as tunnelling. SSL is a symmetric method
of encryption between a server and a browser. Digital signatures are not used in the VPN process, while
phishing is a form of a social engineering attack.