Which three statements about QoS in a Cisco Unified Intelligent Contact Management solution are true? (Choose three.)

Which three statements about QoS in a Cisco Unified Intelligent Contact Management solution are true? (Choose three.)
A . In a Cisco Unified Intelligent Contact Management network, if the traffic is marked in the ICM, QoS trust needs to be enabled on access-layer routers and switches.
B . The high priority queue for the private network should be granted 90 percent of total available bandwidth.
C . The high priority queue for the private network should be granted 75 percent of total available bandwidth.
D . The high priority queue for the private network should be granted 65 percent of total available bandwidth.
E . Traffic marking in Cisco Unified ICM means that configuring separate private high and private medium/ low sets of IP addresses is no longer necessary.
F . Traffic marking in Cisco Unified ICM means that configuring separate private high and private medium/ low sets of IP addresses is still necessary.

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Answer: ABE