Which two QoS classification and marking statements are true? ()
- A In a Frame Relay network, delay sensitive traffic is tagged with the discard eligible (DE) bit.
- B In an MPLS network, the three most significant bits of the DSCP or the IP precedence of the IP packet are copied into the MPLS EXP field.
- C In an MPLS network, the MPLS EXP bits are used to identify up to 16 CoS values.
- D The differentiated services code point (DSCP) field consists of the first three bits of the IP precedence field in the header of an IP packet.
- E The 802.1Q standard uses a three bit field referred to as the user priority bits (PRI) to mark packets as belonging to a specific CoS.