Which technology can ensure data confidentiality, data integrity, and authentication across a public IP network?

Which technology can ensure data confidentiality, data integrity, and authentication across a public IP network?

Which technology can ensure data confidentiality, data integrity, and authentication across a public IP network?

A.
VSANs

B.
VPDNs

C.
VLANs

D.
GRE

E.
IPsec

Explanation:
Explanation

IPsec – A security architecture that operates in a host to protect IP traffic. The IETF defined IPsec in RFC 4301. IPsec uses open standards and provides secure communication between peers to ensure data confidentiality, integrity, and authentication through network layer encryption.

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