A. The layer 3 protocol on which other protocols like TCP and UDP communicate.
B. Enables the IPSec protocol on internal workstations.
C. Packet-based detection and prevention of network attacks.
D. Single mode IP communication for a fiber line between remote sites.

A. It does not transfer encrypted files.
B. It cannot be tunneled in a VPN.
C. It is a deprecated protocol.
D. It transmits passwords in clear text