What is the difference between IPsec tunnel and transport mode?
A . Tunnel mode uses encryption and transport mode uses TCP as the transport protocol.
B . Tunnel mode uses encryption and transport mode uses UDP as the transport protocol.
C . Transport mode protects upper-layer protocols, such as UDP and TCP, and tunnel mode protects the entire IP packet.
D . Tunnel mode protects upper-layer protocols, such as UDP and TCP, and transport mode protects the entire IP packet
Answer: C