A new MPLS network link has been established between a company and its business partner. The
link provides logical isolation in order to prevent access from other business partners. Which of the
following should be applied in order to achieve confidentiality and integrity of all data across the
link?

A.
MPLS should be run in IPVPN mode.

B.
SSL/TLS for all application flows.

C.
IPSec VPN tunnels on top of the MPLS link.

D.
HTTPS and SSH for all application flows.