Which of the following provides the HIGHEST level of security for an integrated network providing
services to authenticated corporate users?
A.
Point to point VPN tunnels for external users, three-factor authentication, a cold site, physical
security guards, cloud based servers, and IPv6 networking.
B.
IPv6 networking, port security, full disk encryption, three-factor authentication, cloud based
servers, and a cold site.
C.
Port security on switches, point to point VPN tunnels for user server connections, two-factor
cryptographic authentication, physical locks, and a standby hot site.
D.
Port security on all switches, point to point VPN tunnels for user connections to servers, twofactor authentication, a sign-in roster, and a warm site.