In the IPSec VPN transmission mode, which part of the data packet is encrypted?
A . Network layer and upper layer data packet
B . Original IP packet header
C . New IP packet header
D . Transport layer and upper layer data packet
Answer: D
In the IPSec VPN transmission mode, which part of the data packet is encrypted?
A . Network layer and upper layer data packet
B . Original IP packet header
C . New IP packet header
D . Transport layer and upper layer data packet
Answer: D