【单选题】
What is the best way to ensure that IKE/ISAKMP packets are not dropped when QoS is enabled on the uplink interface of the Teleworker router?()
A、QoS and IPSec should never be used together.
B、IKE/ISAKMP packets are DiffSERV codepoint CS6, so the traffic is never dropped.
C、Source IKE/ISAKMP packets off the loop-back address.
D、Classify IKE/ISAKMP packets so they are appropriately prioritized.