Which two of the following need to be considered when designing QoS in a Cisco Borderless
Network? (Choose two.)

A.
RFC 4594 describes how to classify and mark traffic at the campus and branch LAN using 12
different classifications.

B.
According to RFC 4594, voice and video traffic should be sent through two separate priority
queues.

C.
In order to maintain DSCP values end-to-end, inbound traffic from the SP cloud needs to be
reclassified if it was sent through a tunnel.

D.
In order to receive priority treatment for mission-critical traffic across the SP cloud, the higher
number of locally used classes of service have to be mapped to the fewer number service classes
that are usually offered by service providers.