Refer to the exhibit. The NOC team received multiple reports about poor quality of the VoIP traffic. An engineer notices that all VoIP traffic with poor quality uses Core links with QoS implemented. Which are the two reasons for this issue? (Choose two)
A. A DoS attack on the core routers has caused high CPU utilization on the line cards that hosts the 10 Gigabit Ethernet port.
B. The VoIP traffic exceeding 1 GBPS is dropped by the policer
C. The Core links are congested, which causes stavation of VoIP traffic
D. The Bandwidth allocated is higher than 100 percent
E. The VoiP traffic on the core links is MPLS-labeled and it is not subject to QoS
