Question: Jan has been told by the network administrator that the VPN he set up needs provide transport adjacency. Which of the following best describes what this means?
A. More than one security protocol is configured for the VPN traffic.
B. PPTP needs to be configured to be used with L2TP.
C. A PPTP tunnel needs to be configured to go through an IPSec tunnel.
D. An ESP IPSec VPN needs to be set up.

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