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

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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.