Which of the following statements are TRUE regarding the building of a QoS-enabled network? (Choose two)
A . It is important that all packets are classified in the same way at all SAP-ingress points.
B . Once a packet is classified to a forwarding class, it cannot change across the network.
C . Packet enters a node will be treated as per the local hop’s configured policy.
D . Native IP packets entering a network port will be marked at the first network egress by default
E . Native IP packets entering a network port will not be marked at the first network egress by default.
F . Native IP packets entering a network port will be marked at the first network egress, regardless of the re-marking configuration.
Answer: C,E
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