Which type of encryption encapsulates the entire packet including the headers inside a packet with
its own set of headers?
A.
In place encryption
B.
Tunneling mode encryption
Explanation:
: IKE uses “Tunneling mode” encryption, which works by encapsulating the entire packet, and
then adding its own encryption protocol header to the encrypted packet. A drawback of using
tunneling mode encryption is that the packet size has been increased. This increase in the packet
size degrades network performance, however, the security of the packet is increased. See Page
7.15 of CCSE NG Official Courseware. (VPN1-FW1 Management II NG FP-1).